1vv0300784 Rev. 19
– 2017-01-25
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
While reasonable efforts have been made to assure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein. The information in this document has been carefully checked and is believed to be reliable. However, no responsibility is assumed for inaccuracies or omissions. Telit reserves the right to make changes to any products described herein and reserves the right to revise this document and to make changes from time to time in content hereof with no obligation to notify any person of revisions or changes. Telit does not assume any liability arising out of the application or use of any product, software, or circuit described herein; neither does it convey license under its patent rights or the rights of others.
It is possible that this publication may contain references to, or information about Telit products
(machines and programs), programming, or services that are not announced in your country. Such references or information must not be construed to mean that Telit intends to announce such Telit products, programming, or services in your country.
This instruction manual and the Telit products described in this instruction manual may be, include or describe copyrighted Telit material, such as computer programs stored in semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit and its licensors certain exclusive rights for copyrighted material, including the exclusive right to copy, reproduce in any form, distribute and make derivative works of the copyrighted material. Accordingly, any copyrighted material of Telit and its licensors contained herein or in the Telit products described in this instruction manual may not be copied, reproduced, distributed, merged or modified in any manner without the express written permission of Telit. Furthermore, the purchase of Telit products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any license under the copyrights, patents or patent applications of Telit, as arises by operation of law in the sale of a product.
The Telit and 3rd Party supplied Software (SW) products described in this instruction manual may include copyrighted Telit and other 3rd Party supplied computer programs stored in semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit and other 3rd
Party supplied SW certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form the copyrighted computer program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW computer programs contained in the Telit products described in this instruction manual may not be copied (reverse engineered) or reproduced in any manner without the express written permission of Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any license under the copyrights, patents or patent applications of Telit or other 3rd Party supplied SW, except for the normal non-exclusive, royalty free license to use that arises by operation of law in the sale of a product.
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The software described in this document is the property of Telit and its licensors. It is furnished by express license agreement only and may be used only in accordance with the terms of such an agreement.
Software and documentation are copyrighted materials. Making unauthorized copies is prohibited by law. No part of the software or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, without prior written permission of Telit
Components, units, or third-party products used in the product described herein are NOT faulttolerant and are NOT designed, manufactured, or intended for use as on-line control equipment in the following hazardous environments requiring fail-safe controls: the operation of Nuclear
Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s) specifically disclaim any expressed or implied warranty of fitness for such High Risk Activities.
TELIT and the Stylized T Logo are registered in Trademark Office. All other product or service names are the property of their respective owners.
The software may include Third Party Right software. In this case you agree to comply with all terms and conditions imposed on you in respect of such separate software. In addition to Third
Party Terms, the disclaimer of warranty and limitation of liability provisions in this License shall apply to the Third Party Right software.
TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED FROM ANY
THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD PARTY MATERIALS
INCLUDED IN THE SOFTWARE, ANY THIRD PARTY MATERIALS FROM WHICH THE
SOFTWARE IS DERIVED (COLLECTIVELY “OTHER CODE”), AND THE USE OF ANY OR ALL
THE OTHER CODE IN CONNECTION WITH THE SOFTWARE, INCLUDING (WITHOUT
LIMITATION) ANY WARRANTIES OF SATISFACTORY QUALITY OR FITNESS FOR A
PARTICULAR PURPOSE.
NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND WHETHER
MADE UNDER CONTRACT, TORT OR OTHER LEGAL THEORY, ARISING IN ANY WAY OUT
OF THE USE OR DISTRIBUTION OF THE OTHER CODE OR THE EXERCISE OF ANY RIGHTS
GRANTED UNDER EITHER OR BOTH THIS LICENSE AND THE LEGAL TERMS APPLICABLE
TO ANY SEPARATE FILES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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PRODUCTS
GL865 SERIES
GE865-QUAD
GE864 V2 SERIES
GL868-DUAL
10.01.xx3
10.01.xx3
10.01.xx3
10.01.xx3
2G GE910 SERIES
GE910-QUAD V3
GE866-QUAD
GL865 V3 SERIES
13.00.xx9
16.01.xx3
16.01.xx3
16.01.xx3
GL868-DUAL V3
HE910 SERIES
UE910 SERIES
UL865 SERIES
UE866 SERIES
LE910 V2 SERIES
LE866 SERIES
16.01.xx3
12.00.xx8
12.00.xx8
12.00.xx8
12.00.xx8
20.00.xx2
23.00.xx2
3G
4G
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COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3
License Agreements ..................................................................... 3
Copyrighted Materials ................................................................... 3
High Risk Materials ....................................................................... 3
Trademarks .................................................................................. 3
Third Party Rights ......................................................................... 3
INTRODUCTION ........................................................................ 14
Scope ......................................................................................... 14
Audience..................................................................................... 14
Contact Information, Support ...................................................... 14
Text Conventions ........................................................................ 15
Related Documents .................................................................... 16
PRELIMINARY INFORMATION ................................................. 17
BASIC AT COMMANDS ............................................................ 18
The Main Serial Port ................................................................... 18
RTS/CTS handshaking ............................................................... 18
RTS control line .......................................................................... 19
CTS control line .......................................................................... 20
Serial Port Speed ........................................................................ 21
2G Modules ................................................................................ 21
SW Ver. 10.xx.xxx, 16.xx.xxx ...................................................... 21
SW Ver. 13.xx.xxx ...................................................................... 21
3G Modules ................................................................................ 22
SW Ver. 12.xx.xxx ...................................................................... 22
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Serial Ports Arrangements .......................................................... 23
Auxiliary Serial Port Arrangement ............................................... 23
2G Modules ................................................................................ 23
AT Interface Style Selection ........................................................ 24
2G Modules ................................................................................ 24
3G Modules ................................................................................ 24
AT Error Report Format .............................................................. 25
Module Identification ................................................................... 25
Select 2G or 3G Network ............................................................ 25
2G Modules ................................................................................ 26
3G Modules ................................................................................ 26
Band Configuration ..................................................................... 26
2G Modules ................................................................................ 26
3G Modules ................................................................................ 26
SIM/USIM Management .............................................................. 27
SIM Presence and PIN Request ................................................. 27
Enter PIN code ........................................................................... 28
Enter PUK code .......................................................................... 28
SIM Status .................................................................................. 29
SIM Detection Mode ................................................................... 30
SIM/USIM Access File ................................................................ 31
MSISDN ..................................................................................... 32
2G Modules ................................................................................ 32
3G Modules ................................................................................ 32
Network Information .................................................................... 33
Network Status ........................................................................... 33
2G Modules ................................................................................ 33
3G Modules ................................................................................ 33
Network Operator Identification ................................................... 34
2G Modules ................................................................................ 35
3G Modules ................................................................................ 35
Preferred Network Operator List ................................................. 36
2G Modules ................................................................................ 36
3G Modules ................................................................................ 37
Signal Strength & Quality ............................................................ 37
Fast Network Status Check ........................................................ 38
2G Modules ................................................................................ 38
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3G Modules ................................................................................ 40
Network Survey .......................................................................... 40
BCCH Survey ............................................................................. 41
Enhanced Network Selection and AT&T functions ...................... 42
10.00.xx5/16.00.xx2 .............................. 42
13.00.xx2 .............................................. 44
3G Modules SW Ver. = 12.00.xx2 ............................................... 46
12.00.xx3 .............................................. 47
– Originate .......................................... 49
Set Module in Voice Mode .......................................................... 49
Dialing a Phone Number ............................................................. 50
Disconnect a Call ........................................................................ 50
Answering an Incoming Call........................................................ 50
Audio Codec Information ............................................................ 50
Setting Audio Codec ................................................................... 51
Set Audio Path Active ................................................................. 52
2G Modules Software Version 13.xx.xxx ..................................... 52
3G Modules ................................................................................ 52
Set Volume on Speaker .............................................................. 53
Set Microphone Mute .................................................................. 53
Hand Set Path Commands ......................................................... 53
HS Microphone Gain .................................................................. 53
HS Sidetone ............................................................................... 54
HS Echo Canceller ..................................................................... 54
HS Automatic Gain ..................................................................... 55
HS Noise Reduction ................................................................... 55
Hands Free Path Commands ...................................................... 56
HF Microphone Gain ................................................................... 56
HF Sidetone ................................................................................ 56
HF Echo Canceller ...................................................................... 57
HF Automatic Gain ..................................................................... 57
HF Noise Reduction .................................................................... 58
– Originate ...................................... 58
Set Module in ONLINE Mode ...................................................... 58
Dialing a Phone Number ............................................................. 58
Disconnect Data Call .................................................................. 59
Set Modulation and Speed .......................................................... 59
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2G Modules ................................................................................ 59
3G Modules ................................................................................ 60
Modules Supporting Only Data Call ............................................ 60
GSM Single Numbering Scheme ................................................ 61
2G Modules ................................................................................ 61
TTY Feature ............................................................................... 61
Software Shutdown ..................................................................... 61
ADVANCED AT COMMANDS ................................................... 62
Call Management ........................................................................ 62
Identifying the Call Type ............................................................. 62
Identify the Caller ........................................................................ 62
Calling Line Indication ................................................................. 63
CLIR Service Status ................................................................... 63
Restrict/Allow Caller Line ID Indication ....................................... 64
Call Barring Control .................................................................... 64
Lock/Unlock the Module .............................................................. 65
Call Barring Service Status ......................................................... 66
Bar/Unbar All Incoming Calls ...................................................... 67
Bar/Unbar Incoming Calls in International Roaming .................... 68
Bar/Unbar All Outgoing Calls ...................................................... 69
Bar/Unbar All Outgoing International Calls .................................. 70
Bar/Unbar All Outgoing International Calls except to Home Country71
Unbar All Calls ............................................................................ 72
DTMF Tones ............................................................................... 73
Encryption Algorithm ................................................................... 73
2G Modules ................................................................................ 73
3G Modules ................................................................................ 73
SMS Management ...................................................................... 74
Select SMS Format Type ............................................................ 74
Set Text Mode Parameters ......................................................... 74
Character Sets ............................................................................ 76
Read SMSC Number .................................................................. 78
Set SMSC Number ..................................................................... 78
Send a SMS ............................................................................... 79
2G Modules ................................................................................ 79
3G Modules ................................................................................ 82
Select/Check SMS Storage Type ................................................ 82
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2G Modules ................................................................................ 82
3G Modules ................................................................................ 83
Select URC Behavior .................................................................. 83
2G Modules ................................................................................ 83
3G Modules ................................................................................ 85
Store a SMS ............................................................................... 85
2G Modules ................................................................................ 85
3G Modules ................................................................................ 86
PDU Mode .................................................................................. 87
Send a Stored SMS .................................................................... 88
Send a New SMS using GPRS service ....................................... 88
Delete an SMS ........................................................................... 89
2G Modules ................................................................................ 90
Read an SMS ............................................................................. 91
SMS Status ................................................................................. 91
2G Modules ................................................................................ 92
Cell Broadcast Service ................................................................ 93
Read concatenated SMS ............................................................ 94
Phonebooks ................................................................................ 96
Phonebook types ........................................................................ 96
2G Modules ................................................................................ 96
3G Modules ................................................................................ 97
Select Phonebook Memory Storage ............................................ 97
2G Modules ................................................................................ 98
3G Modules ................................................................................ 99
Search Phonebook Entries ......................................................... 99
Read Phonebook Entries .......................................................... 100
Write Phonebook Entry ............................................................. 100
Delete Phonebook Entry ........................................................... 101
Dial Phonebook Entry ............................................................... 101
GSM Power Saving Modes ....................................................... 103
Some clarifications .................................................................... 103
CFUN=0 and 3G Modules ......................................................... 104
CFUNs and the Main Serial Port ............................................... 105
CFUNs and Wake up Events .................................................... 108
CFUN Examples ....................................................................... 111
CFUN=0: Call, SMS, #QSS, +CALA ......................................... 111
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CFUN=2: #QSS, +CALA ........................................................... 114
CFUN=4: #QSS, +CALA ........................................................... 116
CFUN=5: Call, SMS, +CALA ..................................................... 118
CFUN=7: Call, SMS, +CALA ..................................................... 122
CFUN=9: +CALA ...................................................................... 125
CFUN=10: +CALA .................................................................... 126
CFUN=11: +CALA .................................................................... 127
GPIO Pins ................................................................................. 130
Set GPIO Pin as OUTPUT ........................................................ 130
Set GPIO Pin as INPUT ............................................................ 130
GPIO Pin Status ....................................................................... 130
GPIO & Alternate Function ....................................................... 131
GPIO4 Pin as RF Transmission Control .................................... 132
GPIO5 Pin as RFTXMON OUTPUT .......................................... 132
GPIO6 Pin as ALARM OUTPUT ............................................... 132
GPIO7 Pin as BUZZER OUTPUT ............................................. 132
Set STAT_LED GPIO ............................................................... 133
JAM GPIO ................................................................................ 133
Clock and Alarm Functions ....................................................... 135
Clock ........................................................................................ 135
Set Module Clock ...................................................................... 135
Read the Current Date and Time .............................................. 136
Automatic Data/Time updating .................................................. 136
Alarm ........................................................................................ 137
Set Alarm .................................................................................. 137
Delete Alarm ............................................................................. 138
Recurrent Alarm ........................................................................ 139
Postpone Alarm Time ............................................................... 141
Stop Alarm ................................................................................ 141
Alarm Status ............................................................................. 142
A simple Alarm Application ....................................................... 142
TCP/IP Protocol ........................................................................ 144
2G/3G Dialup Connection ......................................................... 144
2G Modules .............................................................................. 144
3G Modules .............................................................................. 144
4G Modules and Default/Dedicated EPS Bearers ..................... 145
Default EPS Bearer at UE Power on ......................................... 146
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Establish a Default EPS Bearer ................................................ 148
Dedicated EPS Bearer .............................................................. 148
AT#DUALAPN .......................................................................... 149
AT#PDPAUTH .......................................................................... 153
AT#PDPAUTH & AT#NCM ....................................................... 154
FIRMWARE UPDATE TOOL .................................................... 159
Xpf tool ..................................................................................... 159
Update Procedure ..................................................................... 159
Command Line running Xfp tool ................................................ 162
GLOSSARY AND ACRONYMS ............................................... 164
DOCUMENT HISTORY ............................................................ 166
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The following list, organized in alphabetical order, shows the AT commands covered by this
User Guide. The number close to each command indicates the page of the first AT command occurrence.
AT#AUTOBND
.................. 26
AT#BND
............................ 26
AT#CAP
............................. 52
AT#CCLK
........................ 137
AT#CEERNET
................. 150
AT#CMGLCONCINDEX
.... 94
AT#CODEC
....................... 51
AT#CODECINFO
.............. 50
AT#CSURV
....................... 40
AT#DUALAPN
................ 149
AT#ENCALG
..................... 73
AT#GPIO
......................... 130
AT#HFMICG
...................... 56
AT#HSMICG
...................... 53
AT#JDRENH
................... 133
AT#MONI
........................... 39
AT#NCM
.......................... 148
AT#NITZ
.......................... 136
AT#PDPAUTH
................. 153
AT#QSS
............................. 29
AT#SERVINFO .................. 39
AT#SGACT
..................... 148
AT#SHDN
.......................... 61
AT#SHFAGC
..................... 57
AT#SHFEC
........................ 57
AT#SHFNR
........................ 58
AT#SHFSD
........................ 56
AT#SHSAGC
..................... 55
AT#SHSEC
........................ 54
AT#SHSNR
....................... 55
AT#SHSSD
........................ 54
AT#SII
................................ 23
AT#SIMDET
...................... 30
AT#SLED
........................ 133
AT#SLEDSAV
................. 133
AT#SMSMODE
................. 79
AT#WAKE
....................... 142
AT#WAKE
....................... 140
AT&P0
............................... 22
AT&W0
.............................. 22
AT+CALA
........................ 137
AT+CALD
........................ 138
AT+CAPD
........................ 141
AT+CBST
.......................... 59
AT+CCLK
........................ 135
AT+CFUN
........................ 103
AT+CGACT
..................... 146
AT+CGATT
..................... 146
AT+CGATT
....................... 89
AT+CGCONTRDP
.......... 147
AT+CGDCONT
................ 146
AT+CGMM
........................ 25
AT+CGMR
......................... 25
AT+CGPADDR
................ 150
AT+CLCK
.......................... 65
AT+CLIP
............................ 62
AT+CLIR
........................... 63
AT+CLVL
.......................... 53
AT+CMEE
......................... 25
AT+CMGD
......................... 90
AT+CMGF
......................... 74
AT+CMGL
......................... 91
AT+CMGW
........................ 85
AT+CMSS
......................... 87
AT+CMUT
......................... 53
AT+CNMI
.......................... 83
AT+COPS
......................... 34
AT+CPBF
.......................... 99
AT+CPBR
....................... 100
AT+CPBS
.......................... 97
AT+CPBW
....................... 100
AT+CPIN
........................... 27
AT+CPMS
......................... 82
AT+CPOL
.......................... 36
AT+CRC
............................ 62
AT+CREG
......................... 33
AT+CRSM
......................... 32
AT+CSCA
......................... 78
AT+CSCB
......................... 93
AT+CSCS
.......................... 76
AT+CSIM
........................... 31
AT+CSMP
......................... 74
AT+CSNS
.......................... 61
AT+CSQ
............................ 37
AT+FCLASS
..................... 49
AT+IPR
.............................. 21
AT+SELINT
....................... 24
AT+SNUM
......................... 32
AT+WS46
.......................... 26
ATD
................................... 50
ATD*99#
.......................... 144
ATH
................................... 50
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This document covers the more significant standard and proprietary AT commands provided by
Telit's modules. Several module features are described and for each one of them the related AT commands are explained through examples. This document is not an exhaustive description of the AT commands implemented on the Telit's modules series, its target is only to give you an entry point to the AT commands world.
The present User Guide is addressed to users that need to learn and use quickly standard and proprietary AT commands. The reader can learn the use of the AT commands through simple examples shown in the document, and then deepen the interested AT commands reading the documents [1]/[17] in accordance with the used module.
For general contact, technical support services, technical questions and report documentation errors contact Telit Technical Support at:
[email protected] (for Short Range Devices)
Alternatively, use: http://www.telit.com/support
For detailed information about where you can buy the Telit modules or for recommendations on accessories and components visit: http://www.telit.com
Our aim is to make this guide as helpful as possible. Keep us informed of your comments and suggestions for improvements.
Telit appreciates feedback from the users of our information.
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Danger
– This information MUST be followed or catastrophic equipment failure or bodily injury may occur.
Caution or Warning
– Alerts the user to important points about integrating the module, if these points are not followed, the module and end user equipment may fail or malfunction.
Tip or Information
– Provides advice and suggestions that may be useful when integrating the module.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.
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[16]
[17]
[18]
[19]
[20]
[21]
[22]
[23]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[24]
[25]
[26]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
AT Commands Reference Guide, 80000ST10025a
Refer to the specific "Telit Product Description" document
Refer to the specific "Telit Hardware User Guide" document
IP Easy User Guide, 80000ST10028A
ETSI GSM 07.07, 27.07
EVK2 User Guide, 1vv0300704
ETSI GSM 03.38, 23.038
/
Device Requirements AT&T, Document Number 13340
Telit 3G Modules Ports Arrangements User Guide, 1vv0300971
Enhanced JDR Technical Note, 30353NT11086A
ITU-T Recommendation E.164
ETSI GSM 11.11, 51.011, 31.101, 31.102
ITU-T Recommendation V.24
/
ETSI GSM 11.14, 51.014
Telit 3G Modules AT Commands Reference Guide, 80378ST10091A
Audio Setting Application Note, 80000NT10007A
ETSI GSM 27.005
Telit’s Easy Scan User Guide, 1vv0300972
Jamming Detection
– HE910 Series Application Note, 80000NT11408A
GE910 Series Ports Arrangements User Guide, 1vv0301049
IP Easy User Guide Application Note, 80000ST10028A
Virtual Serial Device Application Note, 80000NT10045A
NCM Protocol User Guide, 1vv0301246
Telit LE910 V2 Series AT Commands Reference Guide, 80446ST10707A
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Before describing the AT commands use, it is needed to define a way to point out significant differences, when needed, between modules belonging to different series, or having different software versions.
In 2G Modules sub-chapters (or under label in the text) are described AT commands examples concerning the modules supporting the 2G Technology only. Where needed, the guide specifies also the software version.
In 3G Modules sub-chapters (or under label in the text) are described AT commands examples concerning the modules supporting the 2G/3G Technologies. Where needed, the guide specifies also the software version.
If the AT command example is valid for all products, no labels or dedicated chapters are used.
Chapter 1.29 is focusing on the Default/Dedicated EPS Bearer (4G modules)
The AT commands use specified in this guide assumes that the #SELINT=2 AT
Interface Style is used.
Refer to document [1]/[17]/[26] in accordance with the module that you are using to have more information on the AT commands syntax, parameters, and parameters range.
In this guide is used the notation [x]/[y] to refer to documents of different modules.
See the document in accordance with your module.
Refer to document [3] in accordance with the module that you are using to have information on the hardware. For example serial ports, GPIO pins... etc.
Refer to document [18] to have detailed information on the audio architecture provided by the modules.
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Here is the V.24 serial interface standard provided by the Main Serial Port of the modules. To have hardware information refer to document [3] in accordance with your module.
DTE (User Application)
TxD
RxD
RTS
CTS
DTR
DSR
RI
DCD
GND
DCE (Telit Module)
TxD
RxD
RTS
CTS
DTR
DSR
RI
DCD
GND
After power on, the module is ready to receive AT commands on its Main Serial Port. Its second serial port, called Auxiliary, is used for factory test.
For example, type in the following AT command to verify if the DTE/DCE connection is working.
AT
OK
Refer to § 1.7 to configure the speed of the Main Serial Port.
3.1.1. RTS/CTS handshaking
The next sub-chapters describe the RTS/CTS handshaking of the Main Serial Port.
DTE
(User Application)
RTS
CTS
RTS
CTS
DCE
(Module)
Fig. 1: RTS/CTS control lines
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3.1.1.1. RTS control line
3.1.1.1.1. 2G Modules
The RTS control line indicates permission to the DCE (module) to send data to the DTE (user equipment). The module every GSM TDMA frame (4.61 ms) checks the RTS (output) of DTE. As soon as the RTS of the DTE is detected as not asserted, the module immediately stops the transmission of the bytes toward the DTE.
DTE
CMOS level
Data transmission ON
RTS=ON, asserted, DCE can transmit
RTS=OFF, not asserted,
DCE cant’ transmit
DCE
Module
Fig. 2: RTS Control Line
The maximum number of characters that Telit Module can send to the DTE after the transition
RTS asserted to RTS NOT asserted depends upon the used serial port speed. In any case, to take into account delays due to software tasks priorities it is necessary to consider a detection interval equal to 4.61 x 2 = 9.22 ms.
Example:
at 115200 8N1 the maximum number of transmitted characters (bytes) by DCE is 107:
115200 8N1 => 115200 bit/s = 11520 char/s = 11.52 char/ms = 106.2 char/GSM frame x 2; at 57600 8N1 the maximum number of transmitted characters (bytes) by DCE is 54; at 9600 8N1 the maximum number of transmitted characters (bytes) by DCE is 9.
For the GE910 products (no V3) the number of transmitted characters is formed by two quantities:
288 characters: the number is fixed, regardless the selected speed,
53 is the max number of characters that are transmitted when the software detects the
RTS transition after the max interval time equal to 4.61 ms. In this example the used speed is 115200 bits/s,
in this example, the maximum number of transmitted characters is: 288 + 53 = 341.
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3.1.1.1.2. 3G Modules
HE910 Series
RTS control line indicates permission to the DCE (module) to send data to the DTE (user equipment). The low-high RTS transition generates an interrupt signal. Between the RTS transition and the interrupt signal recognition, the module can send at most one character toward DTE.
Suppose that the HE910 module is in ONLINE Mode and the DTE forces the RTS control line to
high, see Fig. 2 . The data flow from the module to the DTE (download) is stopped. At the same
time, the CTS control line is low - see Fig. 3 -, it means that the module can receive data from
DTE (upload). Follow the steps below to force the module in the COMMAND Mode:
Enter the escape sequence: +++
Force the RTS to low. The Tx buffer of the module will be emptied, and the OK message will be displayed.
Now, the module is in COMMAND Mode.
3.1.1.2. CTS control line
The CTS control line indicates permission to the DTE (user equipment) to send data to the DCE
(module). The CTS (output) of the DCE is not asserted when the data in its receiver buffer is greater than 75% of its capacity, the DTE transmission is stopped. The CTS is asserted when data in the receiver buffer of the module is lower than 25% of its capacity, the DTE transmission starts again.
DTE
User equipment
CMOS level
Data transmission ON
CTS=ON, asserted. DTE can transmit
CTS=OFF, not asserted,
DT
E cant’ transmit
DCE
Fig. 3: CTS Control Line
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Modules
2G
Software Version Main Serial Port Speed Configuration
10.00.xxx, 16.00.xxx Autobauding
2G 13.00.xxx No autobauding, 115200 bit/sec factory setting
3G 12.00.xxx No autobauding, 115200 bit/sec factory setting
Tab. 1: Serial Port Speed: Autobauding
3.1.2. 2G Modules
Use the following AT command to configure the Main Serial Port speed.
AT+IPR=<rate>
Check the current Main Serial Port speed.
AT+IPR?
+IPR: 0
OK
autobauding = 0, factory setting.
3.1.2.1. SW Ver. 10.xx.xxx, 16.xx.xxx
Check the Main Serial Port speed range.
AT+IPR=?
+IPR:
(0,300,1200,2400,4800,9600,19200,38400,57600,115200),(0,300,1200,2400,4800,9600,1920
0,38400,57600,115200)
OK
3.1.2.2. SW Ver. 13.xx.xxx
Check the Main Serial Port speed range.
AT+IPR=?
+IPR: (300,1200,2400,4800,9600,19200,38400,57600,115200,230400,460800,921600)
OK
Set up the Main Serial Port speed to 38400 bps.
AT+IPR=38400
OK
Before entering the following AT commands, set up the DTE serial port speed to 38400 bps
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AT&W0
OK
AT&P0
OK
store the setting on profile 0
at power on use profile 0
Check the current Main Serial Port speed.
AT+IPR?
+IPR: 38400
OK
3.1.3.
3.1.3.1.
3G Modules
SW Ver. 12.xx.xxx
Use the following AT command to specify the Main Serial Port.
AT+IPR=<rate>
Check the current Main Serial Port speed.
AT+IPR?
+IPR: 115200
OK
115200 bps, factory setting
Check the Main Serial Port speed range.
AT+IPR=?
+IPR: (300,1200,2400,4800,9600,19200,38400,57600,115200,230400,460800,921600)
OK
Set up the Main Serial Port speed to 38400 bps.
AT+IPR=38400
OK
Before entering the following AT commands, set up the DTE serial port to 38400 bps
AT&W0
OK
AT&P0
OK
store the setting on profile 0
at power on use profile 0
Check the current Main Serial Port speed.
AT+IPR?
+IPR: 38400
OK
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To have exhaustive information on the serial ports arrangements, refer to document [22]/[10] in accordance with your module.
3.1.4.
3.1.4.1.
Auxiliary Serial Port Arrangement
2G Modules
Use the following AT command to connect/disconnect the Auxiliary Serial Port to/from one of the three Services:
AT1 Parser (Instance # 2)
AT2 Parser (Instance # 3)
Trace Service
AT#SII = <inst>
Examples
AT#SII?
#SII: 0
OK
AT#SII=1
OK the Auxiliary Serial Port is connected to Trace Service; see the table below
Auxiliary Serial Port is disconnected from Trace Service and connected to
AT1parser. Main Serial Port is still connected to AT0 Parser as showed on the table.
Power on / AT#SII
Power on
AT#SII=1
AT#SII=2
AT#SII=0
AT0
Instance #1
AT1
Instance #2
AT2
Instance #3
Trace Service
Main Serial Port X
Main Serial Port Aux. Serial Port
Main Serial Port
Main Serial Port
X
X
X
X
Aux. Serial Port
X
Aux. Serial Port
X
X
Aux. Serial Port
Tab. 2: AT#SII & AT Parsers
To have hardware information on the Main and Auxiliary Serial Ports provided by the module, refer to document [3].
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Use the following AT command to check the current AT Interface Style.
AT#SELINT?
3.1.5. 2G Modules
After powering ON the module, check the current AT command Interface Style.
AT#SELINT?
#SELINT: 0
OK
Check the AT command Interfaces Set supported.
AT#SELINT=?
#SELINT: (0-2)
OK
Select the desired AT command Interface Set.
AT#SELINT=2
OK
Select a wrong AT command Interface Set just to see the response.
AT#SELINT=7
ERROR
Check that AT command Interface is active.
AT#SELINT?
#SELINT: 2
OK
3.1.6. 3G Modules
Check the supported AT Command Interface Style.
AT#SELINT=?
#SELINT: (2)
OK
only interface style 2 is supported.
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Disable the Error Report in numerical and verbose format.
AT+CMEE=0
OK
Enable the Error Report in numerical format.
AT+CMEE=1
OK
Enable the Error Report in verbose format.
AT+CMEE=2
OK
Use the following AT commands to verify the Software Versions and module identification.
Check the Software Versions.
AT+CGMR
10.00.004
OK
Check the module identification.
AT+CGMM
GM862-QUAD
OK
The following AT command selects the technology: 2G, 3G, or both.
AT+WS46=[<n>]
The <n> parameter is stored in NVM, and the command will take effect on the next power on. If on the air are present both technologies 2G and 3G, the second one is preferred.
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3.1.7. 2G Modules
Select 2G Technology, the only available.
AT+WS46=12
OK
3.1.8. 3G Modules
Examples
Select 2G Technology.
AT+WS46=12
OK
Select 3G Technology only.
AT+WS46=22
OK
Select both Technologies: 2G and 3G.
AT+WS46=25
OK
3.1.9. 2G Modules
The following AT command enables the automatic band selection:
AT#AUTOBND=2
OK
The following AT command disables the automatic band selection (manual band selection):
AT#AUTOBND=0
OK
In manual band selection the following AT command selects the current band:
AT#BND=[<band>]
Examples
AT#BND=0
OK
selected band: GSM 900MHz + DCS 1800MHz
3.1.10. 3G Modules
The following AT command enables the automatic band selection:
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AT#AUTOBND=2
OK
The following AT command disables the automatic band selection (manual band selection):
AT#AUTOBND=0
OK
In manual band selection the following AT command selects the current band for both technologies GERAN and UTRAN:
AT#BND
=[<band>][,<UMTS band>]
Examples
AT#BND=0,0
OK
selected band: GSM 900MHz + DCS 1800MHz 2100 MHz (FDD I)
The module uses a band out of the two entered with the previous command. The selected band will be in accordance with the +WS46 command and the technologies available on the air.
Check the bands supported by the module
AT#BND=?
#BND: (0-3),(0-6)
OK
3.1.11. SIM Presence and PIN Request
The following AT command checks if the SIM device needs the PIN code:
AT+CPIN?
Examples
Assume that the SIM is inserted into the module and the PIN code is needed.
AT+CPIN?
+CPIN: SIM PIN
OK
Assume that the SIM is not inserted and Extended Error result code is not enabled. Check if PIN code is needed, just to see the response command:
AT+CPIN?
ERROR
Assume that the SIM is not inserted and Verbose Extended error result code is enabled. Check if
PIN code is needed, just to see the response command:
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AT+CPIN?
+CME ERROR: SIM not inserted
Assume that the SIM is not inserted and Numerical Extended error result code is enabled.
Check if PIN code is needed, just to see the response command:
AT+CPIN?
+CME ERROR: 10
3.1.12. Enter PIN code
Use the following AT command to enter the PIN code:
AT+CPIN=<pin>
Examples
Assume to enter a wrong PIN code, and Extended Error result is not enabled.
AT+CPIN=1235
ERROR
Now, enter the right PIN code:
AT+CPIN=1234
OK
Enable Verbose Extended error result code:
AT+CMEE=2
OK
Enter a wrong PIN code:
AT+CPIN=1235
+CME ERROR: incorrect password.
After 3 PIN code failed attempts, the PIN code is no longer requested and the SIM is locked. Use SIM PUK to enter a new PIN code and unlock the SIM.
3.1.13. Enter PUK code
Enter the following AT command if PUK or PUK2 code is required:
AT+CPIN=<pin>[,<newpin>]
After 10 PUK code failed attempts, the SIM Card is locked and no longer available.
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3.1.14. SIM Status
Use the following AT command to enable/disable the SIM Status Unsolicited Indication.
AT#QSS = <mode>
Example 1
Enable the unsolicited indication concerning the SIM status change.
AT#QSS=1
OK
#QSS: 0
#QSS: 1
enable URCs: #QSS:0/1
unsolicited indication: the SIM is extracted.
unsolicited indication: the SIM is inserted.
Example 2
AT#QSS=2
OK
AT+IPR=19200
OK
AT&W0
OK
AT&P0
OK
enable URCs: #QSS:0/1/2/3
select the Main Serial Port speed = DTE speed
store the setting on profile 0
at Power on use profile 0
Now, power off the module:
#QSS:1
unsolicited indication: SIM inserted
Now, power on the module:
#QSS:1
unsolicited indication: SIM inserted
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN=<PIN>
OK
SIM is locked
enter PIN
unsolicited indication: SIM is unlocked #QSS: 2
#QSS: 3
unsolicited indication: SMS and Phonebook are accessible
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The time interval between the two unsolicited indications (#QSS: 2 and #QSS: 3) depends from the number of SMS stored on the module and the Phonebook size.
3.1.15. SIM Detection Mode
Use the following AT command to manage the SIM Detection Mode:
AT#SIMDET=<mode>
Example
AT#SIMDET?
#SIMDET: 2,1
OK
2 = automatic SIM detection through SIMIN pin (Factory Setting)
1 = SIM inserted
Enable the unsolicited indication concerning the SIM status change.
AT#QSS=1
Now, extract the SIM
#QSS: 0
unsolicited indication: SIM is extracted
Now, insert the SIM
#QSS: 1
unsolicited indication: SIM is inserted
simulate SIM not inserted, but it is still physically inserted
AT#SIMDET=0
OK
#QSS: 0
AT#SIMDET?
#SIMDET: 0,1
OK
unsolicited indication, but SIM is NOT physically extracted
0 = simulate the status SIM not inserted, 1 = SIM is physically inserted
Now, extract/insert the SIM, no unsolicited indication appears on DTE!
Extract the SIM again
AT#SIMDET=1
OK
AT#SIMDET?
#SIMDET: 1,0
OK
simulate SIM inserted, but it is still physically extracted
1 = simulate the status SIM inserted, 0 = SIM is physically not inserted
Now, insert/extract the SIM, no unsolicited indication appears on DTE!
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Extract the SIM and set automatic SIM detection
AT#SIMDET=2
OK
AT#SIMDET?
#SIMDET: 2,0
OK
2 = automatic SIM detection through SIMIN pin (Factory Setting),
0 = SIM not inserted
Now, insert/extract the SIM, unsolicited indication appears again on DTE!
#QSS: 1
#QSS: 0
unsolicited indication: SIM is physically inserted
unsolicited indication: SIM is physically extracted
3.1.16. SIM/USIM Access File
SIM and USIM cards are accessible using two different protocols, the cards can support one or both protocols. Modules, in accordance with the installed software version, can access only SIM or both SIM/USIM cards. Refer to the table below:
Modules Software Version Cards supported Support mode
2G 10.00.xxx,
13.00.xxx,
16.00.xxx
SIM/USIM
AT#ENAUSIM
enables SIM protocol (factory setting)
AT#ENAUSIM=1 enables USIM protocol
3G 12.00.xxx SIM/USIM
Automatic detection: if the used card provides both protocols, the module selects the USIM protocol (it is the preferred).
Tab. 3: SIM/USIM
Use the AT+CSIM command to read/write SIM/USIM files. The format of the AT+CSIM parameters and the sequence of the AT+CSIM commands must be in accordance with the protocol card. The distinction between SIM and USIM <command> format is needed because the AT+CSIM command works directly on the card.
AT+CSIM=<length>,<command>
Example
AT+CSIM=1
OK
Lock SIM interface
••••
To read/write card files refer to documents [13], [16].
••••
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AT+CSIM=0
OK
Unlock SIM interface
3.1.17. MSISDN
MSISDN is a number uniquely identifying a subscription in a GSM or UMTS mobile network.
MSISDN is defined by the ITU-U Recommendation [12] which defines the numbering plan: a number uniquely identifies a public network termination point and typically consists of three fields,
CC (Country Code), NDC (National Destination Code), and SN (Subscriber Number), up to 15 digits in total.
3.1.17.1. 2G Modules
The following AT command can be used to store the MSISDN on the assigned field
(EF_MSISDN) of the SIM card.
AT+CRSM=<command>[,<file id>[,<P1>,<P2>,<P3>[,<data>]]]
Using this command, the user needs to know the structure of the field used by the SIM card to storage the MSISDN number, refer to [5], [13]. AT#SNUM is an AT command more "user friendly", it is valid also for USIM card. See the following example:
Before entering the MSISDN in international phone number format, it is mandatory to enter the
command AT#ENS=1. It enables the features described on § 3.1.25.
AT#ENS=1
OK
Write phone number and memo string.
AT#SNUM=1,"+393X912Y45Z7","MY NUMBER"
OK
If the features activated with AT#ENS=1 are no longer needed, enter the command AT#ENS=0.
AT#ENS=0
OK
Read phone number and memo string
AT+CNUM
+CNUM: "MY NUMBER","+393X912Y45Z7",145
OK
3.1.17.2. 3G Modules
Select the "ON" storage:
AT+CPBS="ON"
OK
Write a new record on the selected storage:
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AT+CPBW=1,"+393X912Y45Z7",145,"MyNumber"
OK
Read the just entered number:
AT+CPBF="MyNumber"
+CPBF: 1," +393X912Y45Z7",145," MyNumber "
OK
3.1.18. Network Status
Enter the following AT command to verify if the module is registered on a network.
AT+CREG?
3.1.18.1. 2G Modules
Check if the module is registered.
AT+CREG?
+CREG: 0,1
OK
yes, it is registered.
Now, disconnect the antenna from the module and enter again the command.
AT+CREG?
+CREG: 0,3
OK
Connect again the antenna to the module and select the Network Registration Report format:
Local Area Code and Cell Id.
AT+CREG=2
OK
AT+CREG?
+CREG: 2,1,55FA,12EB
OK
Now, enter a wrong parameter just to see the result format when Verbose Extended Error result is enabled.
AT+CREG=9
+CME ERROR: operation not supported
3.1.18.2. 3G Modules
Suppose that 2G and 3G technologies are present on the air.
Force the module in 2G mode.
AT+WS46=12
OK
Select the Network Registration Report format: Local Area Code and Cell Id:
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AT+CREG=2
OK
AT+CREG?
+CREG: 2,1,"D5BD","520F",0
OK
Now, use the command AT+WS46=22 or AT+WS46=25 to force the module in 3G mode.
AT+WS46=25
OK
Select the Network Registration Report format: Local Area Code and Cell Id:
AT+CREG=2
OK
AT+CREG?
+CREG: 2,1,"EF8D","52D2388",2
OK
3.1.19. Network Operator Identification
Use the following AT command to query the module for Network Operators Identifications Codes and Names.
AT+COPS=?
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3.1.19.1. 2G Modules
Assume that the module is registered on a network.
AT+COPS=?
+COPS: (2,"I TIM",,"22201"),(1,"MOBITEL",,"29341"),(3,"I WIND",,"22288"),(3,"vodafone
IT",,"22210"),(1,"Si.mobil",,"29340"),(1,"SI TUSMOBIL",,"29370"),,(0-4),(0,2)
OK
Now, disconnect the antenna and assume that Verbose Extended Error result is enabled. Enter again the previous AT command.
AT+COPS=?
+CME ERROR: no network service
3.1.19.2. 3G Modules
Assume that 2G and 3G technologies are present on the air.
Force the module in 2G mode.
AT+WS46=12
OK
Check if the module is in 2G mode.
AT+COPS?
+COPS: 0,0,"I TIM",0
OK
yes, it is in 2G mode
Collect information about 2G networks.
AT+COPS=?
+COPS: (2,"I TIM",,"22201",0),(1,"SI MOBITEL GSM",,"29341",0),(3,"I WIND",,"2228
8",0),(1,"SI VEGA 070",,"29370",0),(1,"SI.MOBIL",,"29340",0),,(0-4),(0,2)
OK
Now, use the command AT+WS46=22 or AT+WS46=25 to force the module in 3G mode.
AT+WS46=25
OK
Check if the module is in 3G mode
AT+COPS?
+COPS: 0,0,"I TIM",2
yes, it is in 3G mode
OK
Collect information about 3G and 2G networks.
AT+COPS=?
+COPS: (2,"I TIM",,"22201",2),(2,"I TIM",,"22201",0),(1,"SI MOBITEL GSM",,"29341
",0),(3,"I WIND",,"22288",2),(1,"SI.MOBIL",,"29340",0),(1,"3 ITA",,"22299",2),(3,"I
WIND",,"22288",0),
(1,"SI VEGA 070",,"29370",0),,(0-4),(0,2)
OK
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3.1.20. Preferred Network Operator List
Use the following AT command to manage the Preferred Operator List stored on SIM.
AT+CPOL=[<index>]...
The AT+CPOL command has a different set of parameters in accordance with the module type.
See the following two sub-chapters.
3.1.20.1. 2G Modules
Use the following AT command to manage the Preferred Operator List stored on SIM.
AT+CPOL=[<index>][,<format>[,<oper>]]
Check the supported number of operators in the SIM Preferred Operator List and the format:
AT+CPOL=?
+CPOL: (1-20),(2)
OK
The used SIM supports 20 positions; the supported format (2) is numeric
Reading the entire list:
AT+CPOL?
+CPOL: 1,2,"20801"
+CPOL: 2,2,"20810"
+CPOL: 3,2,"23205"
+CPOL: 4,2,"22802"
+CPOL: 5,2,"29341"
.
+CPOL: 19,2,"23802"
+CPOL: 20,2,"24201"
OK
The meaning of the string "XXXYY" is: - XXX = Mobile Country Code
- YY = Mobile Network Code
Delete the first entry using a non-existent <format> value just to see the response when the
Extended Error result code is enabled.
AT+CPOL=1,3
+CME ERROR: operation not supported
Now, delete the first entry using the right <format> value.
AT+CPOL=1,2
OK
Check if the first entry is deleted.
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AT+CPOL?
+CPOL: 2,2,"20810"
+CPOL: 3,2,"23205"
.
+CPOL: 19,2,"23802"
+CPOL: 20,2,"24201"
OK
The entry on first position is deleted.
AT+CPOL=1,2,20801
OK
Write a new entry in the first position
Check if the new entry is written on first position:
AT+CPOL?
+CPOL: 1,2,"20801"
+CPOL: 2,2,"20810"
.
+CPOL: 20,2,"24201"
OK
The new entry is written on first position
3.1.20.2. 3G Modules
Use the following AT command to manage the Preferred Operator List stored on SIM.
AT+CPOL=[<index>][,<format>[,<oper>[,<GSM_AcT>,<GSM_Compact_AcT>,<UTRAN_A cT]]]
Check the supported number of operators in the SIM preferred operator list and the format:
AT+CPOL=?
+CPOL: (1-35),(2)
OK
The used SIM supports 35 positions; the supported format (2) is numeric
AT+CPOL?
+CPOL: 1,2,"20801",1,0,1
+CPOL: 2,2,"21407",1,0,1
.
+CPOL: 35,2,"73001",1,0,1
OK
3.1.21. Signal Strength & Quality
Assume that the module is registered on a network that provides 2G or 3G technology. The following AT command returns the received signal strength & quality giving an indication about the radio link reliability.
AT+CSQ
Assume that the antenna is not connected to the module or network coverage is not present at all.
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AT+CSQ
+CSQ: 99,99
OK
Now, the antenna is connected to the module and network coverage is present. Enter again the previous AT command:
AT+CSQ
+CSQ: 17,0
OK
17 = <rssi> = Received Signal Strength Indication
0 = <ber> = Bit Error Rate
Now, a wrong parameter is entered just to see the result format when Verbose Extended Error result is enabled:
AT+CSQ?
+CME ERROR: operation not supported
3.1.22. Fast Network Status Check
Once the module is registered on a network, does not matter about the technology (2G or 3G), it is useful to know the received signal strength and the network on which the module is registered.
This information is gathered by means of the following standard AT commands: +CREG, +COPS and +CSQ. These commands are not fast in the response due to network response time, especially the +COPS command. If the user objective is to keep his application as general as possible, he can use the standard AT command above mentioned.
Telit's modules provide proprietary AT commands to gather all the information in a faster and simpler way, they are:
AT#MONI
AT#SERVINFO
AT#MONI and AT#SERVINFO commands should be used only to collect network name and signal strength information. To check if the module is registered or it is looking for a suitable network to register on, use +CREG command. In fact, if the network signal is too weak and module loses the registration, until a new network is found the two commands report the last measured valid values and not the real ones. The TA (timing advance parameter) is valid only during a call.
Check network registration with +CREG command. When module is registered, query the module for network operator name and signal strength with AT#MONI command.
3.1.22.1. 2G Modules
The following examples are valid also for modules providing 3G Technology when they are forced in GSM mode by means of the AT+WS46=12 command.
Assume that the antenna is connected to the module and only serving cell information is needed.
Check if the module is using 2G Technology.
AT+COPS?
+COPS: 0,0,"I TIM",0
OK
Yes, it is using 2G Technology. Only the modules providing 2/3G Technologies return the last parameter. It gives information on access technology.
Select the Serving Cell:
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AT#MONI=0
OK
Collect information:
AT#MONI
#MONI: I WIND BSIC:70 RxQual:0 LAC:55FA Id:12EB ARFCN:979 PWR:-75dbm TA:0
OK
The module is registered on "I WIND" network, the signal strength is -75dBm.
Now, disconnect the antenna from the module and trying to collect cell information just to see the format response:
AT#MONI
ERROR
OK
The antenna is again connected to the module and Serving Cell and Neighboring Cells information is needed. Select all available cells:
AT#MONI=7
OK
Collect information:
AT#MONI
TA
0
RxQual
0
PLMN
I WIND
#MONI: Cell BSIC
#MONI: S
#MONI: N1
#MONI: N2
#MONI: N3
70
75
70
73
#MONI: N4
#MONI: N5
#MONI: N6
72
72
FF
LAC CellId ARFCN Power
55FA 12EB
55FA 1297
55FA 12EA
55FA 1D23
979
983
985
754
C1 C2
-75 dbm 29
-86 dbm 18
-87 dbm 17
-100 dbm 2
55FA 12EC
55FA 1D0D
FFFF 0000
977
751
-101 dbm 3
-107 dbm -5
1007 -107 dbm -1
29
18
17
16
3
-5
-1
OK
Collect only the Serving Cell network Information.
AT#SERVINFO
#SERVINFO: 979,-75,"I WIND","22288",70,55FA,00,1,,"II",01,6
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3.1.22.2. 3G Modules
Suppose that the 3G Technology is present on the air. Use the command AT+WS46=22 or
AT+WS46=25 to force the module in 3G mode.
Examples
Check if the module is using 3G Technology:
AT+COPS?
+COPS: 0,0,"I TIM",2
OK
Yes, it is using 3G Technology.
Select the Serving Cell:
AT#MONI=0
OK
Collect information:
AT#MONI
#MONI: I TIM PSC:49 RSCP:-102 LAC:EF8D Id:52D2388 EcIo:-2.5 UARFCN:10638 PWR:-97 dbm DRX:64 SCR:784
OK
Use the following AT command to collect only the Serving Cell Information:
AT#SERVINFO
#SERVINFO: 10638,-94,"I TIM","22201",49,EF8D,64,3,-101,"II",00
OK
Use this command to get the current network status.
AT#RFSTS
#RFSTS: "222 01",10638,49,-5.0,-95,-85,EF8D,00,-
128,128,19,4,2,,52D2388,"2220102413217","I TIM",3,0
OK
3.1.23. Network Survey
Use the following AT command to perform a quick survey of the channels belonging to the current band, refer to [20].
AT#CSURV [=<s>,<e>]
3G Modules do not support this command.
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Examples
AT#BND?
#BND: 0
OK
AT#CSURV=4,8
Network survey started … arfcn: 7 bsic: 18 rxLev: -78 ber: 0.00 mcc: 222 mnc: 01 lac: 54717 cellId: 21007 cellStatus:
CELL_SUITABLE numArfcn: 3 arfcn: 7 13 27 arfcn: 4 bsic: 16 rxLev: -85 ber: 0.00 mcc: 222 mnc: 01 lac: 54717 cellId: 21094 cellStatus:
CELL_SUITABLE numArfcn: 2 arfcn: 4 1021 arfcn: 8 rxLev: -92 arfcn: 6 rxLev: -93 arfcn: 5 rxLev: -98
Network survey ended
OK
3.1.24. BCCH Survey
Use the following AT command to perform a quick survey of the channels belonging to the current band. The survey stops as soon as <n> BCCH carriers are found.
AT#CSURVB = [<n>]
3G Modules do not support this command.
Examples
AT#CSURVB=2
Network survey started … arfcn: 104 bsic: 63 rxLev: -68 ber: 0.00 mcc: 222 mnc: 88 lac: 22010 cellId: 4737 cellStatus:
CELL_FORBIDDEN numArfcn: 3 arfcn: 114 989 995 arfcn: 761 bsic: 57 rxLev: -72 ber: 0.00 mcc: 222 mnc: 88 lac: 22010 cellId: 7437 cellStatus:
CELL_FORBIDDEN numArfcn: 4 arfcn: 776 785 794 803
Network survey ended
OK
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3.1.25. Enhanced Network Selection and AT&T functions
Use the following AT command to enable/disable the Enhanced Network Selection and the AT&T features. ENS works if the module and the SIM card are both ENS-capable.
AT#ENS=[<mode>]
AT#ENS?
#ENS: 0
factory setting
Using the factory setting, the module follows the European Standard R98/R4/R7.
Enter the following setting. Power OFF/ON the module to make active the new entered setting.
AT#ENS=1
OK
The following chapters describe the features enabled by the AT#ENS command for each module/software version.
3.1.25.1.
2G Modules SW Ver. ≥ 10.00.xx5/16.00.xx2
3.1.25.1.1. No AT&T SIM Card
EONS features (refer to [9], § 15)
ENS features for network selection (refer to [9], §13) special requirements for USSD strings (refer to [9], <CDR-GSM-255>) special ATD dial string format (ATDxxxxxPyyyyyy), refer to [9] <CDR-CON-3074>,
<CDR-CON-3342>;
10.00.xx5
if #AUTOBND=0 then, automatically, #AUTOBND is forced to 1. If #AUTOBND=2
(factory setting) no action is taken.
>= 10.00.xx6/16.00.xx2
if #AUTOBND=0 then, automatically, #AUTOBND is forced to 2. If #AUTOBND=2
(factory setting) no action is taken.
+PACSP AT command to display the PLMN Mode Bit read from CPHS file on SIM
(refer to [9])
AT#STIA=2,1 as default the max length of the telephone number that can be stored in SIM phonebooks is greater than the default value (20)
AT#PLMNMODE=1 as default different coding and encoding for MCC and MNC for SAT functions (refer to [9])
MWI messages (refer to [9], §16)
3.1.25.1.2. AT&T SIM card
Assume that #ENS=1. The module supports the features indicated in § 3.1.25.1.1, plus the
following:
Acting Home PLMN (refer to [9], § 12)
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When AT#ENS=1, it is recommended to use the following setting:
AT#AUTOBND=2
AT#NITZ=7,X
(X if the user wants the URC)
AT#SMSMODE=1
Concerning Phonebook string management:
BCD format conversion ASCII format
0x0D (wild char)
#ENS=1
?
0x0C
0x0C
?
0x0D (wild char)
P p
BCD format conversion ASCII format
#ENS=0
0x0D (wild char)
@
0x0C
@
0x0D (wild char)
P
#ENS=1: USSD MT event is notified via the tone associated to an SMS MT. If #ENS=0, the event is not notified via the tone, but is notified via an unsolicited message (if it is enabled).
#ENS=1: the default GSM band parameter of #BND AT command is 3. If #ENS=0, the default GSM band parameter is 0.
#ENS=1: #BND=1 or #BND=2 are not permitted. If #ENS=0, they are permitted.
#ENS=1: ATD 0; and ATD 00; AT commands execute a call to the phone number 0 and
00 respectively. If #ENS=0, 0 and 00 are interpreted as USSD strings and sent to the network.
#ENS=1: enter AT+CLCK=”FD”,1,PIN2 AT command to select the FD phonebook as current phonebook. If #ENS=0, enter the following commands:
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AT+CPBS=”FD”
ERROR
AT+CPIN=PIN2
OK
AT+CPBS=”FD”
OK
In alternative of the three above listed AT commands the following one can be used:
AT+CLCK=”FD”,1,PIN2
#ENS=1: after activating the context via AT+CGACT=1,<cid> AT commands, the DNS information is not received. Enter ATD*99***1# to execute the dial up. If #ENS=0, after activating the context via AT+CGACT=1,<cid> AT commands, the DNS information is received. Enter ATD*99***1# to execute the dial up.
3.1.25.2.
2G Modules SW Ver. ≥ 13.00.xx2
3.1.25.2.1. No AT&T SIM cards
The module supports the following features independently from the #ENS setting:
EONS features (refer to [9], § 15)
special requirements for USSD strings (refer to [9], <CDR-GSM-255> special ATD dial string format (ATDxxxxxPyyyyyy), refer to [9] <CDR-CON-3074>,
<CDR-CON-3342>;
+PACSP AT command to display the PLMN Mode Bit read from CPHS file on SIM (refer to [9])
the max length of the telephone number that can be stored in SIM phonebooks is greater than the default value (20)
The module supports the following features when #ENS=1:
If #AUTOBND=0 then, automatically, #AUTOBND is forced to 2. If #AUTOBND=2 (factory setting) no action is taken.
AT#BND supports only values 0 and 3
AT#STIA=2,1 as default
different coding and encoding for MCC and MNC for SAT functions (refer to [9])
MWI messages (refer to [9], §16)
ENS features for Network selection (refer to [9], §13)
AT#PLMNMODE=1 as default
3.1.25.2.2. AT&T SIM card
Assume that #ENS=1. The module supports the features indicated in § 3.1.25.2.1, plus the
following:
Acting Home PLMN (refer to [9], § 12)
When AT#ENS=1, it is recommended to use the following setting:
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AT#AUTOBND=2
AT#NITZ=7,X
(X if the user wants the URC)
AT#SMSMODE=1
Concerning Phonebook string management:
BCD format conversion ASCII format
0x0D (wild char)
#ENS=1
?
0x0C
0x0C
?
0x0D (wild char)
P p
BCD format conversion ASCII format
#ENS=0
0x0D (wild char)
@
0x0C
@
0x0D (wild char)
P
#ENS=1: the default GSM band parameter of #BND AT command is 3. If #ENS=0, the default GSM band parameter is 0.
#ENS=1: #BND=1 or #BND=2 are not permitted. If #ENS=0, they are permitted.
#ENS=1: ATD 0; and ATD 00; AT commands execute a call to the phone number 0 and
00 respectively. If #ENS=0, 0 and 00 are interpreted as USSD strings and sent to the network.
#ENS=1: USSD MT event is notified via the tone associated to an SMS MT. If #ENS=0, the event is not notified via the tone, but is notified via an unsolicited message (if it is enabled).
#ENS=1: after activating the context via AT+CGACT=1,<cid> commands, the DNS information is not received. Enter ATD*99***1# to execute the dial up. If #ENS=0, after activating the context via AT+CGACT=1,<cid> commands, the DNS information is received. Enter ATD*99***1# to execute the dial up
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3.1.25.3. 3G Modules SW Ver. = 12.00.xx2
3.1.25.3.1. No AT&T SIM cards
Assume that #ENS=1. The module supports:
EONS features (refer to [9], § 15)
special requirements for USSD strings (refer to [9], <CDR-GSM-255> special ATD dial string format (ATDxxxxxPyyyyyy), refer to [9] <CDR-CON-3074>, <CDR-
CON-3342>;
If #AUTOBND=0 then, automatically, #AUTOBND is forced to 2. If #AUTOBND=2 (factory setting) no action is taken.
AT#BND supports only values 0 and 3, no restriction on second parameter
+PACSP AT command to display the PLMN Mode Bit read from CPHS file on SIM (refer to [9])
AT#STIA=2,1 as default the max length of the telephone number that can be stored in SIM phonebooks is greater than the default value (20)
different coding and encoding for MCC and MNC for SAT functions (refer to [9])
MWI messages (refer to [9], §16)
3.1.25.3.2. AT&T SIM card
Assume that #ENS=1. The module supports the features indicated in § 3.1.25.3.1, plus the
following:
Acting Home PLMN (refer to [9], § 12)
When
AT#ENS=1
, it is recommended to use the following setting:
AT#AUTOBND=2
AT#NITZ=7,X
(X if the user wants the URC)
Regardless the SIM card used, the module supports the following features in accordance with the #ENS setting:
Concerning Phonebook string management:
BCD format conversion ASCII format
0x0D (wild char)
#ENS=1
?
0x0C
0x0C
?
0x0D (wild char)
P p
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BCD format conversion ASCII format
#ENS=0
0x0D (wild char)
@
0x0C
@
0x0D (wild char)
P
#ENS=1: USSD MT event is notified via the tone associated to an SMS MT. If #ENS=0 the event is not notified via the tone, but is notified via an unsolicited message (if it is enabled).
#ENS=1: the default GSM band parameter of #BND AT command is 3. If #ENS=0, the default GSM band parameter is 0.
#ENS=1: #BND=1 or #BND=2 are not permitted. If #ENS=0, they are permitted.
#ENS=1: ATD 0; and ATD 00; AT commands execute a call to the phone number 0 and
00 respectively. If #ENS=0, 0 and 00 are interpreted as USSD strings and sent to the network.
#ENS=1: after activating the context via AT+CGACT=1,<cid> commands, the DNS information is not received. Enter ATD*99***1# to execute the dial up. If #ENS=0, after activating the context via AT+CGACT=1,<cid> commands, the DNS information is received. Enter ATD*99***1# to execute the dial up
3.1.25.4.
3G Modules SW Ver. ≥ 12.00.xx3
3.1.25.4.1. No AT&T SIM cards
The module supports the following features independently from the #ENS setting:
EONS features (refer to [9], § 15) special requirements for USSD strings (refer to [9], <CDR-GSM-255> special ATD dial string format (ATDxxxxxPyyyyyy), refer to [9] <CDR-CON-3074>, <CDR-
CON-3342>;
+PACSP AT command to display the PLMN Mode Bit read from CPHS file on SIM (refer to [9])
the max length of the telephone number that can be stored in SIM phonebooks is greater than the default value (20)
The module supports the following features when #ENS=1:
If #AUTOBND=0 then, automatically, #AUTOBND is forced to 2. If #AUTOBND=2
(factory setting) no action is taken.
AT#BND supports only values 0 and 3, no restriction on second parameter
AT#STIA=2,1 as default
different coding and encoding for MCC and MNC for SAT functions (refer to [9])
MWI messages (refer to [9], §16)
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3.1.25.4.2. AT&T SIM card
Assume that #ENS=1. The module supports the features indicated in § 3.1.25.4.1, plus the
following:
Acting Home PLMN (refer to [9], § 12)
When
AT#ENS=1
, it is recommended to use the following setting:
AT#AUTOBND=2
AT#NITZ=7,X
(X if the user wants the URC)
Regardless the SIM card used, the module supports the following features in accordance with the #ENS setting:
Concerning Phonebook string management:
BCD format conversion ASCII format
0x0D (wild char)
#ENS=1
?
0x0C
0x0C
?
0x0D (wild char)
P p
BCD format conversion ASCII format
#ENS=0
0x0D (wild char)
@
0x0C
@
0x0D (wild char)
P
#ENS=1: USSD MT event is notified via the tone associated to an SMS MT. If #ENS=0, the event is not notified via the tone, but is notified via an unsolicited message (if it is enabled).
#ENS=1: the default GSM band parameter of #BND AT command is 3. If #ENS=0, the default GSM band parameter is 0.
#ENS=1: #BND=1 or #BND=2 are not permitted. If #ENS=0, they are permitted.
#ENS=1: ATD 0; and ATD 00; AT commands execute a call to the phone number 0 and
00 respectively. If #ENS=0, 0 and 00 are interpreted as USSD strings and sent to the network.
#ENS=1: AT+CFUN=0 is the same of AT+CFUN=4. If #ENS=0, +CFUN=0 and +CFUN=4 have the standard behavior.
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#ENS=1: the Radio Policy Management (RPM) is supported. If #ENS=0, RPM is not supported.
#ENS=1: the default class parameter is 12 (AT#MSCLASS=12). If #ENS=0, the default class parameter is 33.
#ENS=1: the following CPC features are disabled:
-HSPA and HSPA+ 7.4 HSPA+ <CDR-HSD-491> UL DPCCH Gating (Uplink DTX)
-HSPA and HSPA+ 7.4 HSPA+ <CDR-HSD-492> E-DCH Tx Start Timer Restriction (Uplink DRX)
-HSPA and HSPA+ 7.4 HSPA+ <CDR-HSD-493> Downlink DRX
-HSPA and HSPA+ 7.4 HSPA+ <CDR-HSD-494> New UL DPCCH Slot Format
-HSPA and HSPA+ 7.4 HSPA+ <CDR-HSD-496> CQI Reporting Reduction
If #ENS=0, the features are enabled.
#ENS=1: after power on the module executes the SIM reading and the network registration in sequential way. The call establishment is immediately available after the network registration. If #ENS=0, the module executes the SIM reading and the network registration in parallel. It can happen that the module is registered, but the reading SIM is not ended, for this reason wait for some seconds after network registration before calling.
#ENS=1: after activating the context via AT+CGACT=1,<cid> commands, the DNS information is not received. Enter ATD*99***1# to execute the dial up. If #ENS=0, after activating the context via AT+CGACT=1,<cid> commands, the DNS information is received. Enter ATD*99***1# to execute the dial up
Before setting up the Voice Call, it is assumed that Telit Module is registered on a network and the signal strength is enough to carry on a reliable radio link.
The following sub-chapters introduce AT commands regarding the audio section of the modules. To have detailed information about the audio architecture and the related topics refer to document [18].
3.1.26. Set Module in Voice Mode
Use the following AT command to set up the module for a Voice Call:
AT+FCLASS=8
OK
+FCLASS=8 command may be omitted if the “;” modifier is added at the end of the
ATD command, after the entered phone number.
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3.1.27. Dialing a Phone Number
Use the following AT command to dial up a phone number.
ATD<number>[;]
Examples
Assume that the module is set in voice mode: AT+FCLASS=8 has been executed. After that, call the national number 040-4X92XYX.
ATD 0404X92XYX
OK
Now, call the national number 040-4X92XYX in international format +39-040-4X92XYX.
ATD +390404X92XYX
OK
Call the national number 040-4X92XYX in international format +39-040-4X92XYX. The module is not set in voice mode (AT+FCLASS=8 has not been executed). In this case to perform the Voice
Call the User must use the “;” character at the end of the command.
ATD +390404X92XYX;
OK
3.1.28. Disconnect a Call
Use the following AT command to hang up the current Voice Call:
ATH
OK
3.1.29. Answering an Incoming Call
When an Incoming Call is recognized, the module sends an Unsolicited Code to DTE. Use the following AT command to answer to the call.
ATA
OK
3.1.30. Audio Codec Information
This example is valid for both Technologies: 2G and 3G. Even if the module is registered on 3G network, usually the Operator assigns to the module a GSM channel to carry on a voice call. Use the following AT command to get codec information about a call..
AT#CODECINFO = <format>,<mode>
OK
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Example
AT#CODECINFO=1,1
OK
enable codec information
ATD<phone number>;
#CODECINFO: “HAMR”,”FR”,”EFR”,”HR”,”FAMR”,”HAMR”
OK
NO CARRIER
remote hang up
#CODECINFO: “None”,”FR”,”EFR”,”HR”,”FAMR”,”HAMR”
3.1.31. Setting Audio Codec
This example is valid for both Technologies: 2G and 3G. Even if the module is registered on 3G network, usually the Operator assigns to the module a GSM channel to carry on a voice call. Use the following AT command to select a codec during a call.
AT#CODEC = <codec>
OK
Example
AT#CODEC?
#CODEC: 0
OK
AT#CODECINFO=1,1
OK
all the codec are enabled
enable codec information
ATD<phone number>;
establish the call
#CODECINFO: “HAMR”,”FR”,”EFR”,”HR”,”FAMR”,”HAMR”
OK
NO CARRIER
remote hang up
#CODECINFO: “None”,”FR”,”EFR”,”HR”,”FAMR”,”HAMR”
AT#CODEC=1
OK
select FR mode
ATD<phone number>;
#CODECINFO: “FR”,”FR”
OK
establish the call
NO CARRIER
remote hang up
#CODECINFO: “None”,”FR”
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3.1.32. Set Audio Path Active
The present chapter gives a short description about the AT commands that manage the HS and
HF audio paths provided by the modules. Not all modules provide two audio paths, see document
[3]. The modules that provide two audio paths feature the capability to switch between them using software or hardware mode.
When your module provides two physical audio paths, use the following AT command to switch between them:
AT#CAP=<n>
OK
Examples 1:
AT#CAP=2
OK
Examples 2
AT#CAP=1
OK
Examples 3
AT#CAP=0
OK
Use software mode to select HS audio path
Use software mode to select HF audio path
Use hardware mode to select audio path
After entering the previous command select the audio path by means of the pin AXE, refer to [3]:
pin AXE = HIGH to select HS audio path. pin AXE = LOW to select HF audio path.
The audio paths can be switched also during a call in both ways. When hardware control is not used, AXE pin can be left unconnected.
3.1.32.1. 2G Modules Software Version 13.xx.xxx
AT#CAP=<n>
is a dummy command, returns OK response and no actions are performed by the module. It has been introduced for backward compatibility reasons.
3.1.32.2. 3G Modules
AT#CAP=<n>
is a dummy command, returns OK response and no actions are performed by the module. It has been introduced for backward compatibility reasons.
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3.1.33. Set Volume on Speaker
Use the following AT command to set up the output volume level on the active audio path:
AT+CLVL=<vol>
OK
If the used module provides two audio paths (HS and HF), when moving from one path to the new one, the volume level does not change.
3.1.34. Set Microphone Mute
The following AT command mutes the microphone of the active path:
AT+CMUT=1
OK
Check the microphone setting:
AT+CMUT?
+CMUT: 1
OK
3.1.35. Hand Set Path Commands
3.1.35.1. HS Microphone Gain
Use the following AT command to set up microphone input gain:
AT#HSMICG=<n>
Examples
Check the available gain levels
AT#HSMICG=?
#HSMICG: (0-7)
OK
Check the current gain level
AT#HSMICG?
#HSMICG: 0
OK
Set up a new gain level
AT#HSMICG=1
OK
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3.1.35.2. HS Sidetone
Use the following AT command to enable/disable the sidetone on HS audio path.
AT#SHSSD=<mode>
Examples
Check the available values
AT#SHSSD =?
#SHSSD: (0-1)
OK
Check the current value
AT#SHSSD?
#SHSSD: 0
OK
Enable sidetone
AT#SHSSD=1
OK
3.1.35.3. HS Echo Canceller
Use the following AT command to enable/disable the echo canceller function on HS audio path.
AT#SHSEC=<mode>
Examples
Check the available values
AT#SHSEC =?
#SHSEC: (0-1)
OK
Check the current value
AT#SHSEC?
#SHSEC: 0
OK
Enable echo canceller function
AT#SHSEC=1
OK
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3.1.35.4. HS Automatic Gain
Use the following AT command to enable/disable the automatic gain control function on HS audio path.
AT#SHSAGC=<mode>
Examples
Check the available values
AT# SHSAGC =?
#SHSAGC: (0-1)
OK
Check the current value
AT# SHSAGC?
# SHSAGC: 0
OK
Enable automatic gain control function
AT# SHSAGC =1
OK
3.1.35.5. HS Noise Reduction
Use the following AT command to enable/disable the noise reduction function on HS audio path.
AT#SHSNR=<mode>
Examples
Check the available values
AT# SHSNR =?
#SHSNR: (0-1)
OK
Check the current value
AT# SHSNR?
# SHSNR: 0
OK
Enable the noise reduction function
AT# SHSNR =1
OK
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3.1.36. Hands Free Path Commands
The Hands Free (HF) Path Commands showed on the following sub-chapters are dummy
commands for the Modules that do not provide the HF audio path, refer to chapter 0. The
commands return OK response and no actions are performed by the Modules. This solution was adopted for backward compatibility reasons.
3.1.36.1. HF Microphone Gain
Use the following AT command to set up the microphone input gain:
AT#HFMICG=<n>
Examples
Check the available gain levels
AT#HFMICG=?
#HFMICG: (0-7)
OK
Check the current gain level
AT#HFMICG?
#HFMICG: 0
OK
Set up a new gain level
AT#HFMICG=1
OK
3.1.36.2. HF Sidetone
Use the following AT command to enable/disable the sidetone on HF audio path.
AT#SHFSD=<mode>
Examples
Check the available values
AT#SHFSD=?
#SHFSD: (0-1)
OK
Check the current value
AT#SHFSD?
#SHFSD: 0
OK
Enable sidetone
AT#SHFSD=1
OK
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3.1.36.3. HF Echo Canceller
Use the following AT command to enable/disable the echo canceller function on HF audio path.
AT#SHFEC=<mode>
Examples
Check the available values
AT#SHFEC =?
#SHFEC: (0-1)
OK
Check the current value
AT#SHFEC?
#SHFEC: 0
OK
Enable echo canceller function
AT#SHFEC=1
OK
3.1.36.4. HF Automatic Gain
Use the following AT command to enable/disable the automatic gain control function on HF audio path.
AT#SHFAGC=<mode>
Examples
Check the available values
AT# SHFAGC =?
#SHFAGC: (0-1)
OK
Check the current value
AT# SHFAGC?
# SHFAGC: 0
OK
Enable automatic gain control function
AT# SHFAGC =1
OK
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3.1.36.5. HF Noise Reduction
Use the following AT command to enable/disable the noise reduction function on HF audio path.
AT#SHFNR=<mode>
Examples
Check the available values
AT# SHFNR =?
#SHFNR: (0-1)
OK
Check the current value
AT# SHFNR?
# SHFNR: 0
OK
Enable the noise reduction function
AT# SHFNR =1
OK
Before setting up the CSD Data Call (not GPRS), it is assumed that Telit Module is registered on a network and the signal strength is enough to carry on a reliable radio link.
3.1.37. Set Module in ONLINE Mode
Use the following AT command to set up the module for a Data Call:
AT+FCLASS=0
OK
+FCLASS setting is stored in NVM, so there is no need to repeat this command if
+FCLASS setting is not required to change.
3.1.38. Dialing a Phone Number
Use the following AT command to dial a phone number:
ATD<number>
Examples
Call the national number 040-4X92XYX. The module is set in ONLINE Mode (
AT+FCLASS=0
has been executed).
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ATD0404X92XYX
CONNECT 9600
Call the national number 040-4X92XYX in international format +39-40-4X92XYX. The module is set in ONLINE Mode (
AT+FCLASS=0
has been executed).
ATD+39404X92XYX
CONNECT 9600
The ATD response is returned when the modem handshake is over; it takes an interval of time depending from several factors (Network Operator, communication speed, etc.). Wait for this time before doing anything: when the module is doing the handshake, entering any character closes the handshake and aborts the call.
3.1.39. Disconnect Data Call
During the data call, the module is in ONLINE Mode (ON Line) and if any AT command is entered it is discarded and not executed. Before typing in the ATH command to close the call, the Escape
Sequence (+++) must be used to enter the COMMAND Mode. No characters must be entered between two consecutive "+" characters forming the Escape Sequence.
Assume that a CSD Data Call is in progress. To exit the ONLINE Mode, do the following actions:
Enter the Escape Sequence: +++
Wait for the Escape Sequence pause time (see ATS12 command, refer to [1]/[17]).
Wait for the response OK.
Now, the module is in COMMAND Mode. Enter the following command.
ATH
NO CARRIER
3.1.40. Set Modulation and Speed
The Data Connection can be established using different speeds, bearer services, connection element. The connection mode can be selected with the following AT command:
AT+CBST[=<speed>[,<name>[,<ce>]]]
OK
3.1.40.1. 2G Modules
Examples
AT+CBST=?
Check the supported range
+CBST: (0-4,6,7,14,65,66,68,70,71,75),(0),(0,1)
OK
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AT+CBST?
+CBST: 0,0,1
OK
AT+CBST=1,0,1
OK
AT+CBST?
+CBST: 1,0,1
OK
Read current values
Setting new speed
Check if new speed value is set
It is recommended to use the Non Transparent mode to avoid the reception of noise characters.
3.1.40.2. 3G Modules
AT+CBST=?
Check the supported range
+CBST: (0,4-7,12,14-17,68,70,71,75,79-84,115,116,120,121,130-134),(0),(0,1)
OK
3.1.41. Modules Supporting Only Data Call
These modules do not feature the capability to manage Mobile Originated and Mobile Terminated
Voice calls, they provide Data only:
the voice call is not supported
ATD<phone number>;
NO CARRIER
ATA
ERROR
answer to an incoming call is not supported
The following command is supported, but it does not work for an incoming voice calls. The automatic answer is not performed.
ATS0=<number of rings>
OK
Even though the incoming voice call is not supported, when one is active the RING message is displayed on the DTE. The RING message persists until the call is active. Remind that ATA command is not available and ATS0 command does not work with the incoming voice call. Use the ATH command to drop down the call.
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3.1.42. 2G Modules
Most Network Operators use a primary phone number associated to the voice service and a secondary phone number to data and fax. If the Operator employs a GSM Single Numbering
Scheme, the voice and data number is the same. To select the bearer to be used when a mobile terminated Single Numbering Scheme call is established, use the following AT command.
AT+CSNS=<mode>
Example 1
AT+CSNS=0
OK
RING
RING
ATA voice channel is ON
Example 2
AT+CSNS=2
OK
RING
RING
ATA data channel is ON
voice (factory default)
data
Refer to document [18].
Enter the following AT command to start the module shutdown.
AT#SHDN
OK
During shutdown, the module executes the following actions:
Detachment from the network
Module power off
To have more information about procedure and timing refer to document [3] in accordance with the module that you are using.
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4.1.1. Identifying the Call Type
The module can identify the call type before answering. To accomplish this feature, the module provides different ring indications (URC) depending on the call type. It is up to the user to enable the extended format reporting of incoming calls using the following AT command.
AT+CRC=[<mode>]
OK
Examples
Disable extended format reporting, and then assume that the module receives a call.
AT+CRC=?
Check the range value
+CRC: (0,1)
OK
AT+CRC=0
Disable extended format reporting.
OK
AT+CRC?
+CRC: 0
OK
The module detects a call. Ring indications are displayed on DTE:
RING
RING
Now, enable extended format reporting, and then assume the module receives a call.
AT+CRC=1
OK
AT+CRC?
+CRC: 1
OK
Enable extended format reporting
Check if extended format reporting is enabled
The module detects a call. Ring indications in extended format are displayed on DTE:
+CRING: VOICE
+CRING: VOICE
4.1.2. Identify the Caller
The Telit Module can identify the caller number and give indication about it before the call is answered. The Calling Line Indication is shown on DTE after each RING or +CRING indication.
The following AT command is used to enable/disable the Calling Line Indication.
AT+CLIP=[<n>]
OK
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Examples
Enable extended format reporting and caller number identification, and then assume to receive a call.
Enable extended format reporting.
AT+CRC=1
OK
Check if extended format reporting is enabled.
AT+CRC?
+CRC: 1
OK
Check the values range.
AT+CLIP?
+CLIP: 0,1
OK
Enable caller number identification.
AT+CLIP=1
OK
AT+CLIP?
+CLIP: 1,1
OK
The module detects a call; ring indications and Calling Line Identification of the calling party are displayed on DTE:
+CRING: VOICE
+CLIP: “+390404X92XYX”,145,””,128,””,0
+CRING: VOICE
+CLIP: “+390404X92XYX”,145,””,128,””,0
4.1.3. Calling Line Indication
The Telit Module can send the Calling Line Indication (CLI) to the other party through the Network when an outgoing call is established. This indication can be restricted (CLIR) in various ways.
4.1.3.1. CLIR Service Status
Use the following AT command to query the CLIR Service status.
AT+CLIR?
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Examples
Check the current CLIR settings:
AT+CLIR?
+CLIR: 0,4
OK
<n> = 0 = CLIR module facility in accordance with CLIR Network Service
<m>= 4 = CLIR temporary mode presentation allowed (it is the facility status on the Network)
The <m> parameter reports the status of the service at Network level. If the CLIR service is not provisioned by the Network, then it is not possible to use this service and changing the first parameter <n> will not change the CLI presentation to the other party behavior of the Network.
4.1.3.2. Restrict/Allow Caller Line ID Indication
Use the following AT command to enable or disable the presentation of the CLI to the called party.
AT+CLIR=<n>
OK
Examples
Disable the CLI presentation to the other party permanently.
Read the supported values.
AT+CLIR=?
+CLIR: (0-2)
OK
Read the current Module and Network status.
AT+CLIR?
+CLIR: 0,4
OK
Set to 1 Module status, CLI not sent.
AT+CLIR=1
OK
Read the current Module and Network status.
AT+CLIR?
+CLIR: 1,4
OK
4.1.4. Call Barring Control
The Call Barring Service enables the user to control the calls. The user can block all:
Outgoing calls
Outgoing international calls
Outgoing international calls except those for its Country
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Incoming calls
Incoming calls while roaming.
User can activate or cancel Call Barring using the AT commands hereafter described. Moreover, the user needs to enter a special access code (Call Barring Access Code) to modify Call Barring options. Network Operator provides the Call Barring Code for every subscriber. Hereafter the Call
Barring Code is indicated as "Network Password provided by Network Operator".
The network handles the Call Barring Service, hence the module sends a network request and it may take several seconds to have the response from the network. Furthermore, all the Call Barring
Service AT commands must be used when the module is registered on some network, otherwise an error code is returned.
4.1.4.1. Lock/Unlock the Module
Use the following AT command to lock/unlock the Module or a Network facilities:
AT+CLCK=<fac>,<mode>[,<passwd>[,<class>]]
4.1.4.1.1. 2G Modules
Read the supported facilities:
AT+CLCK=?
+CLCK:
(“SC”,”FD”,”AO”,”OI”,”OX”,”AI”,”IR”,”AB”,”AG”,”AC”,”PN”,”PU”,”PP”,”PC”,”PS”,”PF”)
OK
4.1.4.1.2. 3G Modules
Read the supported facilities:
AT+CLCK=?
+CLCK: (“SC”,”FD”,”AO”,”OI”,”OX”,”AI”,”IR”,”AB”,”AG”,”AC”,”PN”,”PU”,”PP”,”PC”,”P
S”,”PF”,”MC”)
OK
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4.1.4.2. Call Barring Service Status
Use the following AT command to require the status of the selected network facility.
AT+CLCK=<fac>,2
Examples
Check the status of SIM facility:
AT+CLCK="SC",2
+CLCK: 1
OK
Check the status of a wrong facility just to see the format response. Before doing that verify the
Extended Error result code.
AT+CMEE?
+CMEE: 2
verbose format
OK
AT+CLCK="S1",2
+CME ERROR: operation not supported
Check "IR" network facility status (Bar Incoming Calls status when roaming outside the home country).
AT+CLCK=IR,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
"IR" network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Check "OI" network facility status (Bar Outgoing (originated) International Calls).
AT+CLCK=OI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
"OI" network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Assume that the module is not registered. Try to check "OI" network facility status just to see the format response when Extended Error result code is enabled in numeric format.
AT+CMEE=1
OK
AT+CLCK=OI,2
+CME ERROR: 100
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4.1.4.3. Bar/Unbar All Incoming Calls
Use the following AT command to change the status of the AI network facility (All Incoming Calls):
AT+CLCK=AI,<mode>,<passwd>
Examples
Lock and unlock “AI” network facility. Assume that the Network Password provided by Network
Operator is 2121.
Check “AI” network facility status:
AT+CLCK=AI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“AI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Lock “AI” network facility:
AT+CLCK=AI,1,2121
OK
Check “AI” facilities status:
AT+CLCK=AI,2
+CLCK: 1,8
+CLCK: 1,4
+CLCK: 1,2
OK
”AI” network facility is locked (1): 8 = short message service, 4 = fax, 2 = data.
Unlock “AI” facilities:
AT+CLCK=AI,0,2121
OK
Check “AI” facilities status:
AT+CLCK=AI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“AI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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4.1.4.4. Bar/Unbar Incoming Calls in International Roaming
Use the following AT command to change the status of the “IR” network facility (Incoming Calls when Roaming outside the home country).
AT+CLCK=IR,<mode>,<passwd>
Examples
Lock and unlock “IR” network facility. Assume that the network password provided by Network
Operator is 2121.
Check “IR” network facilities status:
AT+CLCK=IR,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“IR” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Lock “IR” network facility:
AT+CLCK=IR,1,2121
OK
Check “IR” facilities status:
AT+CLCK=IR,2
+CLCK: 1,1
+CLCK: 1,8
+CLCK: 1,4
+CLCK: 1,2
OK
“IR” network facility is locked (1): 8 = short message service, 4 = fax, 2 = data.
Unlock “IR” network facility:
AT+CLCK=IR,0,2121
OK
Read IR facilities status:
AT+CLCK=IR,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“IR” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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4.1.4.5. Bar/Unbar All Outgoing Calls
Use the following AT command to change the status of the “AO” network facility (All Outgoing
Calls).
AT+CLCK=AO,<mode>,<passwd>
Examples
Lock and unlock “AO” network facility. Assume the network password provided by Network
Operator is 2121.
Check “AO” network facility status:
AT+CLCK=AO,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“AO” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Lock “AO” network facility:
AT+CLCK=AO,1,2121
OK
Check “AO” network facility status:
AT+CLCK=AO,2
+CLCK: 1,8
+CLCK: 1,4
+CLCK: 1,2
OK
“AO” network facility is locked (1): 8 = short message service, 4 = fax, 2 = data.
Unlock “AO” network facility:
AT+CLCK=AO,0,2121
OK
Checking “AO” network facility status:
AT+CLCK=AO,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“AO” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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4.1.4.6. Bar/Unbar All Outgoing International Calls
Use the following AT command to change the status of the “OI” network facility (Outgoing
International Calls).
AT+CLCK=OI,<mode>,<passwd>
Examples
Lock and unlock “OI” network facility. Assume the network password provided by Network
Operator is 2121.
Checking “OI” network facility status:
AT+CLCK=OI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“OI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Lock “OI” network facility:
AT+CLCK=OI,1,2121
OK
Check “OI” network facility status:
AT+CLCK=OI,2
+CLCK: 1,1
+CLCK: 1,8
+CLCK: 1,4
+CLCK: 1,2
OK
“OI” network facility is locked (1): 1 = voice, 8 = short message service, 4 = fax, 2 = data.
Unlock “OI” network facility:
AT+CLCK=OI,0,2121
OK
Check “OI” network facility status:
AT+CLCK=OI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“OI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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4.1.4.7. Bar/Unbar All Outgoing International Calls except to Home Country
Use the following AT command to change the status of the “OX” network facility (Outgoing
International Calls except to Home Country).
AT+CLCK=OX,<mode>,<passwd>
Examples
Lock and unlock “OX” network facility. Assume the network password provided by Network
Operator is 2121.
Check “OX” network facility status:
AT+CLCK=OX,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“OX” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Lock “OX” network facility. It is a setting not supported by the network:
AT+CLCK=OX,1,2121
ERROR
Enable extended error result codes in verbose format:
AT+CMEE=2
OK
Try again to lock “OX” network facility:
AT+CLCK=OX,1,2121
+CME ERROR: unknown
Check “OX” network facility status:
AT+CLCK=OX,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“OX” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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4.1.4.8. Unbar All Calls
Use the following AT command to unlock “AB” network facility (All Barring services).
AT+CLCK=AB,0,<passwd>
Examples
Unlock “AB” network facility. Assume the Network Password provided by Network Operator is
2121.
AT+CLCK=AB,0,2121
OK
Check “IR” network facility status:
AT+CLCK=IR,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“IR” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Check “OI” network facility status:
AT+CLCK=OI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“OI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
Check “AI” network facility status:
AT+CLCK=AI,2
+CLCK: 0,1
+CLCK: 0,2
+CLCK: 0,4
OK
“AI” network facility is unlocked (0): 1 = voice, 2 = data, 4 = fax.
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Refer to document [18].
Use the following AT command to enables or disables the GSM and/or GPRS encryption algorithms supported by the module.
AT#ENCALG=[<encGSM>][,<encGPRS>]
In accordance with the response of the AT#ENCALG=? Command, you can know the features supported by the command and your Telit Module type.
4.1.5. 2G Modules
AT#ENCALG=?
#ENCALG: (0,1,4,5,255),(0-3,255)
OK
4.1.6. 3G Modules
AT#ENCALG=?
#ENCALG: (0,1,4,5,255),(0-7,255)
OK
Examples
AT#ENCALG=?
Get the supported parameters range
#ENCALG: (0,1,4,5,255),(0-3,255)
OK
AT#ENCALG?
#ENCALG: 5,3,1,0
Get the current setting
OK
Selected: 5 = A5/1 or A5/3;
Last used: 1 = A5/1;
AT#ENCALG=0,3
3 = GEA1 or GEA2
0 = no GPRS algorithm
no GSM algorithm
OK
AT#ENCALG?
#ENCALG: 5,3,1,0
OK
Setting is not changed
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Turn OFF/ON the module
AT#ENCALG?
#ENCALG: 0,3,0,0
OK
Setting is changed!
The modules provide the SMS Service to store, send, receive, and delete a SMS, which is a short text message up to 160 characters long. Before using the SMS messages, you must configure the
Short Message Service.
4.1.7. Select SMS Format Type
The Telit Module supports two SMS formats:
PDU mode
Text mode
The module uses the PDU format to send a message on the air. The PDU mode enables the user to edit the message in PDU format. If the user is familiar with PDU encoding, he can operate with
PDU by selecting that mode and use the appropriate commands.
The present document uses the Text mode to explain how to operate with SMS. Here is the AT command to select the mode.
AT+CMGF=<mode>
Examples
Check the supported range of values:
AT+CMGF=?
+CMGF: (0,1)
OK
Set up Text Mode for the SMS:
AT+CMGF=1
OK
This setting is stored and remains active until the module is turned OFF.
4.1.7.1. Set Text Mode Parameters
When SMS format is Text mode, the SMS parameters that usually reside on the header of the
PDU must be set apart with the +CSMP command.
AT+CSMP=<fo>,<vp>,<pid>,<dcs>
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Example 1
Set the SMS parameters as follow:
<fo> expressed in binary format, see table below. The binary number expressed in decimal format is 17.
0 0 0 1 0 0 0 1
Module is not requesting a status report
Always
0
Replay Path not requested
Validity period field present in relative format
Always
0
SMS-
SUBMIT
<vp> validity period (in relative format) = 24 hours is coded into 167 decimal format.
<pid> protocol identifier.
<dcs> data coding scheme, default value 0.
AT+CSMP= 17,167,0,0
OK
Example 2
Set the SMS parameters as follow:
<fo> expressed in binary format, see table below. The binary number expressed in decimal format is 25.
0 0 0 1 1 0 0 1
Module is not requesting a status report
Always
0
Replay Path not requested
Validity period field present in absolute format
Always
0
SMS-
SUBMIT
<vp> validity period in absolute format represents the expiration date of the message, for example: date: 29/06/02; time: 02:20; in the time zone of Italy (+1) is formatted as follows:
“29/06/02,02:20:00+1”
<pid> protocol identifier.
<dcs> data coding scheme: o
Default Alphabet o
Class 0 (immediate display SMS)
Data coding scheme is coded in the following binary format: 11110000, corresponding to 240 in decimal format.
AT+CSMP= 25, 29/06/02,02:20:00+1,0,240
OK
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Use dcs=0 if no particular data coding scheme is needed. Not all dcs combinations described in the [7] are jointly supported by Networks and Telit Modules: some features may be not implemented on Networks or on Telit Modules. This no matching is resulting in a +CMS ERROR: 303 result code (operation not supported), use different dcs.
4.1.7.2. Character Sets
Use the following AT command to select the character set:
AT+CSCS=<76hest>
Here are the supported character sets:
“GSM” (default alphabet, [7])
“IRA” – ITU-T.50
”8859-1” – ISO 8859 Latin 1
”PCCP437” – PC character set Code Page 437.
“UCS2” – 16-bit universal multiple-octet coded character set (ISO/IEC10646)
Examples
Check the supported character sets:
AT+CSCS=?
+CSCS: (“GSM”,”IRA”,”8859-1”,”PCCP437”,”UCS2”)
OK
Check the current character set:
AT+CSCS?
+CSCS: “IRA”
OK
Select a non-existent character set, merely to see the response format:
AT+CSCS=”GSA”
ERROR
Enabling the Error report in verbose format:
AT+CMEE=2
OK
Select again a non-existent character set:
AT+CSCS=”GSA”
+CME ERROR: operation not supported
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4.1.7.2.1. IRA Character Set
The IRA character set is used in Text mode. IRA set defines each character as a 7-bit value: from
0x00 to 0x7F. The table below lists all the supported characters and their hexadecimal code.
0x x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB
LF
2
xC xD
CR
3
xE xF
1x
Most Significant Nibble
*
+
(
)
%
&
‘
,
-
2x
SP
1
#
$
!
“
.
/
9
:
;
<
=
5
6
7
8
>
?
3x
0
1
2
3
4
I
J
K
L
M
E
F
G
H
N
O
4x
@
A
B
C
D
Y
Z
U
V
W
X
£
5x
P
Q
R
S
T k l i j m e f g h n o
6x
a b c d
7x
r s p q t w x y z u v
1
– SP stands for space character
2
– LF stands for Line Feed character
3
– CR stands for Carriage Return character
The following examples show how to use the IRA table:
Get the IRA code of the character ‘&’: the most significant nibble is 2, the least significant nibble is 6, so the IRA code for the ‘&’ character is the hexadecimal value: 0x26.
Translate IRA code 0x6B into the corresponding character: the most significant nibble is
6, the least significant nibble is B, the cell at the crossing of column 6 and row B holds the character: "k".
4.1.7.2.2. UCS2 Character Set
The UCS2 Character Set is used in Text mode.
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Phone number 329 05 69 6... converted into "UCS2" format: 3=0033, 2=0032, 9=0039,
0=0030, 5=0035, 6=0036, 9=0039, 6=0036 ...
Text HELLO converted into UCS2 format: H=0048, E=0045, L=004C, O=004F
4.1.8. Read SMSC Number
The module sends the SMS to the SMSC where the message is dispatched towards its final destination or is kept until the delivery is possible. To ensure the correct operation of this service the number of the SMSC needs to be configured on the module in accordance with the network operator used.
To know the SMSC number stored on the module, use the following AT command.
AT+CSCA?
Check the stored SMSC number:
AT+CSCA?
+CSCA: "+39X20XX58XX0",145
OK
SMSC number is compliant with the international numbering scheme.
4.1.9. Set SMSC Number
Use the following AT command to store a new SMSC number. The old number is overwritten.
AT+CSCA=<number>,<type>
Set up the desired SMSC number in international format:
AT+CSCA=+39X20XX58XX0,145
OK
This setting remains stored in the SIM card until it is changed or deleted, so this operation may be done only once if the SIM Card is not changed.
Enter the command with no SMSC number:
AT+CSCA=,145
OK
Check the stored SMSC number:
AT+CSCA?
+CSCA: "+",145
OK
Enable extended result code in verbose format:
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AT+CMEE=2
OK
Enter the command with no parameters:
AT+CSCA=
ERROR
4.1.10. Send a SMS
Use the following AT command to send a SMS.
AT+CMGS
To read and set the SMSC number see § 4.1.8 and 4.1.9.
4.1.10.1.
Example 1
2G Modules
Send a SMS to the module itself and do not store it. Use the UCS2 character set.
Select Text Mode.
AT+CMGF=1
OK
Check the SMS operation mode provided by the module.
AT#SMSMODE=?
#SMSMODE: (0-2)
OK
Telit does not suggest to disable the improved SMS operation mode (ETSI Standard compliant). AT#SMSMODE command is provided to resolve retro compatibility issues.
AT#SMSMODE=0
OK
Select the UCS2 character set.
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AT+CSCS="UCS2"
OK
Set SMS parameters:
AT+CSMP=17,168,0,26
OK
Select how the new received message event is notified by the DCE to the DTE.
AT+CNMI=1,1,0,0,0
OK
Send the message to the module itself. The UCS2 character set is used:
Phone number 329 05 69 628 is converted into "UCS2" format: 3=0033, 2=0032,
9=0039, 0=0030, 5=0035, 6=0036, 9=0039, 6=0036, 2=0032, 8=0038
Text CIAO is converted into UCS2 format: C=0043, I=0049, A=0041, O=004F
AT+CMGS=0033003200390030003500360039003600320038
> 004300490041004F
(close the message with Ctrl Z)
+CMGS: 81
OK
The module itself receives the SMS, the following unsolicited indication is shown on DTE:
+CMTI: "SM",3
The SMS was successfully sent to the SMSC and its network reference number is
81. Do not confuse message reference with message index position: the first one indicates the network reference for identifying the sent message, the second one
– reported by the unsolicited indication
– indicates that the module receives the message and it is stored on the position 3 of the "SM" storage.
Select the "SM" storage as indicated by the unsolicited indication.
AT+CPMS="SM"
+CPMS: 3,50,3,50,3,50
OK
Read the message from the storage position indicated by the unsolicited indication.
AT+CMGR=3
+CMGR: " REC UNREAD ","002B003300390033003200390030003500360039003600320038",
"00570049004E0044002000530049004D","08/05/13,12:22:08+08"
004300490041004F
OK
Example 2
Send a SMS to the module itself and do not store it.
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Select Text Mode
AT+CMGF=1
OK
Telit suggest to enable the improved SMS operation mode.
AT#SMSMODE=1
OK
Select how the new received message event is notified by the DCE to the DTE.
AT+CNMI=1,1,0,0,0
OK
Send the message to the module itself.
AT+CMGS="+39329X569YYY"
> SEND THE SMS #1 TO ITSELF (close the message with Ctrl Z)
+CMGS: 76
OK
The module itself receives the SMS #1, the following unsolicited indication is shown on DTE:
+CMTI: "SM",1
The SMS was successfully sent to the SMSC and its network reference number is 76. Do not confuse message reference with message index position: the first one indicates the network reference for identifying the sent message, the second one
– reported by the unsolicited indication
– indicates that the module has received the message and it is stored on the position 1 of the "SM" storage.
Use unsolicited indication parameter to read the SMS #1 for the first time.
AT+CMGR=1
+CMGR: " REC UNREAD ","+39329X569YYY","WIND SIM","08/04/18,13:58:04+08"
SEND THE SMS #1 TO THE MODULE ITSELF
OK
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4.1.10.2. 3G Modules
The 3G modules series supports only the improved SMS feature, accordingly the AT#SMSMODE command is not supported by this series.
4.1.11. Select/Check SMS Storage Type
Telit Modules can provide two type of SMS storage, in agreement with the family of belonging:
“SM” – SIM Card Memory
“ME” – Mobile Equipment Memory.
Use the following AT command to select memory storage:
AT+CPMS=<memr>,<memw>,<mems>
4.1.11.1. 2G Modules
These modules have two storage types: "SM" and "ME". The modules provide the AT#SMSMODE command to enable/disable the improved SMS feature that are ETSI Standard compliant.
Example 1
AT#SMSMODE?
#SMSMODE: 1
OK
AT+CPMS=?
+CPMS: (“SM”),(“SM”),(“SM”)
OK
Check the SMS mode
Improved SMS functionality are enabled
Check the supported SMS storage types
Only “SM” storage type is supported
Example 2
AT#SMSMODE=0
#SMSMODE: 0
OK
AT#SMSMODE?
#SMSMODE: 0
OK
AT+CPMS=?
+CPMS: (“ME”,”SM”), (“SM”), (“SM”)
OK
Disable improved SMS functionality
Check SMS mode
Check the supported SMS storage types
AT+CPMS?
+CPMS: “SM”,1,50,”SM”,1,50,”SM”,1,50
OK
Check the current active storage type
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AT+CPMS=”ME”
+CPMS: 1,1,1,50,1,50
OK
Select “ME” storage type
AT+CPMS?
+CPMS: “ME”,1,1,”SM”,1,50,”SM”,1,50
OK
Check the current active storage types
Two SMS storage types are active: “ME” and “SM”
The “ME” storage is a volatile read only memory, where only one received message of Class 0 can be stored regardless of the selected storage, which could be “SM”.
4.1.11.2. 3G Modules
These modules provide only the improved SMS features, therefore the #SMSMODE command is not needed.
AT+CPMS=?
OK
+CPMS: (“SM”),(“SM”),(“SM”)
Check the supported SMS storage types
Only “SM” storage type is supported
4.1.12. Select URC Behavior
When the module receives a new SMS, an Unsolicited Result Code is generated. This indication may be sent to the DTE, buffered if the DTE is busy (for example, during a data call), or discarded.
To set the desired behavior, use the following command:
AT+CNMI=<mode>,<mt>,<bm>,<ds>,<bfr>
4.1.12.1. 2G Modules
Example
Assume that the module sends two consecutive SMSs to itself to see the unsolicited indications on DTE and verify that "ME" provides a single storage position. In fact, the second SMS overlaps the first one. Here is the AT commands sequence.
Select Text Mode
AT+CMGF=1
OK
AT#SMSMODE=0
OK
AT+CSMP=17,168,0,240
OK
Disable SMS improved functionality
Set up Class 0
Select how the module notifies to the DTE the receiving of a new message from the network.
AT+CNMI=1,1,0,0,0
OK
Send the message to the module itself
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AT+CMGS="+39329X569YYY"
> SEND THE SMS #1 TO MODULE ITSELF
+CMGS: 76
OK
(close the message with Ctrl Z)
The module itself receives the SMS #1, the following unsolicited indication is shown on DTE:
+CMTI: "ME",1
AT+CPMS="ME"
+CPMS: 1,1,13,50,13,50
OK
Select SMS storage type
Use unsolicited indication parameter to read the SMS #1 for the first time.
AT+CMGR=1
+CMGR: " REC UNREAD ","+39329X569YYY","WIND SIM","08/04/18,13:58:04+08"
SEND THE SMS #1 TO MODULE ITSELF
OK
Read again the SMS # 1 to see the "REC READ" status.
AT+CMGR=1
+CMGR: " REC READ ","+39329X569YYY","WIND SIM","08/04/18,13:58:04+08"
SEND THE SMS #1 TO MODULE ITSELF
OK
Check the current active storage types.
AT+CPMS?
+CPMS: "ME",1,1,"SM",13,50,"SM",13,50
OK
Send the second message to the module itself:
AT+CMGS="+39329X569YYY"
> SEND THE SMS #2 TO THE MODULE ITSELF
(close the message with Ctrl Z)
+CMGS: 77
OK
The module itself receives the SMS #2, the following unsolicited indication is shown on DTE:
+CMTI: "ME",1
Use unsolicited indication parameter to read the just received SMS.
AT+CMGR=1
+CMGR: " REC UNREAD ","+39329X569YYY","WIND SIM","08/04/18,14:47:23+08"
SEND THE SMS #2 TO MODULE ITSELF
OK
The new SMS has overlapped the old one.
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4.1.12.2. 3G Modules
These modules provide only the improved SMS feature; therefore, the #SMSMODE command is not needed.
4.1.13. Store a SMS
Use the following AT command to store a SMS.
AT+CMGW="<da>"
4.1.13.1.
Example
2G Modules
Store a new SMS in the "SM" storage, send it to the module itself and read the message in the receiving storage.
Select Text Mode
AT+CMGF=1
OK
AT#SMSMODE=0
OK
AT+CSMP=17,168,0,240
OK
Disable the improved SMS functionality
Assume to send a SMS of Class 0
Select how the new received message event is notified by the DCE to the DTE
AT+CNMI=1,1,0,0,0
OK
Store into "SM" the SMS message to be sent to the module itself.
AT+CMGW="+39329X569YYY"
> SEND THE STORED SMS #1 TO THE MODULE ITSELF
(close with Ctrl Z or ESC to abort)
+CMGW: 1
OK
Send the stored SMS #1 using the storage position returned by the previous command.
AT+CMSS=1
+CMSS: 78
OK
The module itself receives the SMS #1, the following unsolicited indication is shown on DTE:
+CMTI: "ME",1
Check the current storage memory for SMS reading.
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AT+CPMS?
+CPMS: "SM",1,50,"SM",1,50,"SM",1,50
OK
Use index 1 to read SMS #1 from "SM" storage memory, where the SMS was stored before sending.
AT+CMGR=1
+CMGR: "STO SENT","+39329X569YYY","WIND SIM"
SEND THE STORED SMS # 1 TO MODULE ITSELF
OK
Select "ME" storage type.
AT+CPMS="ME"
+CPMS: 1,1,1,50,1,50
OK
Use index 1 to read received SMS #1 from "ME" storage type.
AT+CMGR=1
+CMGR: " REC UNREAD ","+39329X569YYY","WIND SIM","08/04/21,09:56:38+08"
SEND THE STORED SMS # 1 TO THE MODULE ITSELF
OK
Use index 1 to read again received SMS #1 from "ME".
AT+CMGR=1
+CMGR: " REC READ ","+39329X569YYY","WIND SIM","08/04/21,09:56:38+08"
SEND THE STORED SMS # 1 TO THE MODULE ITSELF
OK
4.1.13.2.
Example
3G Modules
Store a SMS in the "SM" storage, send it to the module itself and read the message in the receiving storage.
Select Text Mode
AT+CMGF=1
OK
AT+CSMP=17,168,0,240
OK
Assume to send a SMS of Class 0
Select how the new received message event is notified by the DCE to the DTE
AT+CNMI=1,1,0,0,0
OK
Store into "SM" the SMS message to be sent to the module itself.
AT+CMGW="+39329X569YYY"
> SEND THE STORED SMS #1 TO THE MODULE ITSELF
(close with Ctrl Z or ESC to abort)
+CMGW: 5
OK
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Use index 5 to read SMS #1 from "SM" storage type.
AT+CMGR=5
+CMGR: "STO SENT","+39329X569YYY","WIND SIM"
SEND THE STORED SMS # 1 TO MODULE ITSELF
OK
Send the stored SMS #1using the storage position 5 returned by the previous command.
AT+CMSS=5
+CMSS: 78
OK
The module itself receives the SMS #1, the following unsolicited indication is shown on DTE:
+CMTI: "SM",6
Check the current SMS storage type.
AT+CPMS?
+CPMS: "SM",6,30,"SM",6,30,"SM",6,30
OK
Use index 6 to read received SMS #1 from "SM" storage memory.
AT+CMGR=6
+CMGR: " REC UNREAD ","+39329X569YYY","WIND SIM","08/04/21,09:56:38+08"
SEND THE STORED SMS # 1 TO THE MODULE ITSELF
OK
Use index 6 to read again received SMS #1 from "SM" storage memory.
AT+CMGR=6
+CMGR: "
REC READ
","+39329X569YYY","WIND SIM","08/04/21,09:56:38+08"
SEND THE STORED SMS # 1 TO THE MODULE ITSELF
OK
4.1.13.3. PDU Mode
AT+CMGW command does not work when the module is in PDU mode.
Example
AT+CMGF=0
OK
Set up PDU Mode
Store into "SM" storage the SMS message to be sent.
AT+CMGW="+39329X569YYY"
+CMS ERROR: 304
the command does not work when the module is in PDU Mode.
Set up Text Mode.
AT+CMGF=1
OK
Store into "SM" storage the SMS message to be sent.
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AT+CMGW="+39329X569YYY"
> EDIT NEW SMS … (use ESC to abort the command.)
OK
4.1.14. Send a Stored SMS
A SMS stored in the "SM" storage type is sent using the following AT command. Its storage location index is needed.
AT+CMSS=<index>
If the module belongs to one of the 2G series, you must use AT#SMSMODE=1
Example
Send the stored SMS to the module itself:
Select Text Mode
AT+CMGF=1
OK
Select “SM” storage to read SMS
AT+CPMS=”SM”
+CPMS: 1,50,1,50,1,50
OK
Read the SMS stored on position 1.
AT+CMGR=1
+CMGR:
“
STO SENT
”,”+39329X569YYY”,”WIND SIM”
SEND THE STORED SMS # 1 TO MODULE ITSELF
OK
Select how the new received message event is indicated by the DCE to the DTE.
AT+CNMI=1,1,0,0,0
OK
Send the stored SMS # 1 message to module itself.
AT+CMSS=1
+CMSS: 79
OK
The module itself receives the SMS #1, the following unsolicited indication is shown on DTE:
+CMTI: “SM”,2
4.1.15. Send a New SMS using GPRS service
An SMS can be sent by means of the GPRS service [4]. It is worth to remind that not all Network
Operators support this features.
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If the module belongs to one of the 2G series, you must use AT#SMSMODE=1
Example
Send the SMS message to the module itself, not store it before transmitting and use the GPRS service.
Select AT command interface style
AT#SELINT=2
OK
AT+CGSMS=2
OK
Select the GPRS service
Check if the module is attached to GPRS service
AT+CGATT?
+CGATT: 1
OK
Select Text Mode.
AT+CMGF=1
OK
Select how the new received message event is indicated by the DCE to the DTE.
AT+CNMI=1,1,0,0,0
OK
Send the message to the module itself.
AT+CMGS=”+386X18X19X4”
> SEND THE SMS BY MEANS OF THE GPRS SERVICE TO ITSELF
(close the message with Ctrl Z)
+CMGS: 14
OK
The module itself receives the SMS, the following unsolicited indication is shown on DTE:
+CMTI: “SM”,11
AT+CPMS=”SM”
+CPMS: 11,50,11,50,11,50
OK
Use unsolicited indication parameter to read the SMS for the first time.
AT+CMGR=11
+CMGR: “
REC UNREAD
”,”+386X18X19X4”,””,”09/08/03,14:14:04+08”
SEND THE SMS BY MEANS OF THE GPRS SERVICE TO ITSELF
OK
4.1.16. Delete an SMS
Use the following AT command to delete an SMS stored on the “SM” storage type.
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AT+CMGD=<index>
Example
Deleting an SMS stored in “SM” storage type:
AT+CPMS=”SM”
+CPMS: 13,50,13,50,13,50
Select memory storage
OK
AT+CMGD=?
Check the SMS
+CMGD: (1,2,3,4,5,6,7,8,9,10,11,12,13),(0-4)
OK
Delete SMS in memory position 1.
AT+CMGD=1
OK
Check if the SMS is deleted:
AT+CMGD=?
+CMGD: (2,3,4,5,6,7,8,9,10,11,12,13),(0-4)
OK
Delete all SMS. Disregard the first parameter of the +CMGD.
AT+CMGD=1,4
OK
AT+CMGD=?
+CMGD: (),(0-4)
OK
4.1.16.1. 2G Modules
AT#SMSMODE=0
OK
AT+CPMS=”ME”
+CPMS: 1,1,6,30,6,30
OK
AT+CMGD=?
+CMGD: (1),(0-4)
OK
AT+CMGD=1
OK
Select “ME” storage type
Check the SMS.
Delete SMS in storage position 1
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Check if the SMS is deleted.
AT+CMGD=?
+CMGD: (),(0-4)
OK
4.1.17. Read an SMS
An SMS is read with the following command:
AT+CMGR=<index>
Example
AT+CPMS?
+CPMS: “SM”,1,50,”SM”,1,50,”SM”,1,50
OK
Read the SMS #1, for the first time, in storage memory “SM”, position 1:
AT+CMGR=1
+CMGR: “
STO SENT
”,”+39329X569YYY”,”WIND SIM”
SEND THE STORED SMS # 1 TO MODULE ITSELT
OK
4.1.18. SMS Status
SMSs can be gathered into 5 different groups depending on their Status:
REC UNREAD: received messages still not read
REC READ: received messages already read
STO UNSENT: written messages not yet sent
STO SENT: written messages already sent
ALL: all types of messages
Use the following AT command to query the SMS status:
AT+CMGL=<stat>
Check if Text Mode is active
AT+CMGF?
+CMGF: 1
OK
Text Mode is active
Check the supported SMS status
AT+CMGL=?
+CMGL: (“REC UNREAD”,”REC READ”,”STO UNSENT”,”STO SENT”,”ALL”)
OK
Check the available SMS storage type
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AT+CPMS?
+CPMS: “SM”,6,30,”SM”,6,30,”SM”,6,30
OK
List all the SMSs stored on “SM” storage with their Status.
AT+CMGL=”ALL”
+CMGL: 1,”REC READ”, •••• SMS body ••••
+CMGL: 2,”REC READ”, •••• SMS body ••••
+CMGL: 3,”REC READ”, •••• SMS body ••••
+CMGL: 4,”STO SENT”, •••• SMS body ••••
+CMGL: 5,”STO SENT”, •••• SMS body ••••
+CMGL: 6,”REC READ”, •••• SMS body ••••
OK
List the SMSs stored on “SM” storage with their Status=STO SENT
AT+CMGL=”STO SENT”
+CMGL: 4,”STO SENT”, •••• SMS body ••••
+CMGL: 5,”STO SENT”, •••• SMS body ••••
OK
4.1.18.1. 2G Modules
AT#SMSMODE=0
OK
Check the supported storage types
AT+CPMS=?
+CPMS:“ME”,”SM”),(“SM”),(“SM”)
OK
Check if Text Mode is active.
AT+CMGF?
+CMGF: 1
OK
Check the supported SMS status.
AT+CMGL=?
+CMGL: (“REC UNREAD”,”REC READ”,”STO UNSENT”,”STO SENT”,”ALL”)
OK
Select “ME” storage type.
AT+CPMS=”ME”
+CPMS: 1,1,1,50,1,50
OK
List SMSs stored in the “ME” storage type.
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AT+CMGL=”ALL”
+CMGL: 1,”REC READ”, •••• SMS body ••••
OK
AT+CMGL=”REC UNREAD”
OK
4.1.19. Cell Broadcast Service
GSM Standard specifies two different types of SMS:
SMS Point to Point (SMS/PP),
SMS Cell Broadcast (SMS/CB).
The first type can send a text message long up to 160 characters from a module to the another
(as stated on the previous paragraphs), the second type allows the Network to send, at the same time, a message to all modules contained in the defined area including one or more radio cells.
The availability and the implementation of the Cell Broadcast Service are strictly connected with the Network Operator of the subscriber.
Use the following AT command to enable the Cell Broadcast Service:
AT+CSCB=[<mode>[,<mids>[,<dcss>]]]
Select Text Mode.
AT+CMGF=1
OK
Select the District service.
AT+CSCB=0,50,0
OK
Select how the new received message event is indicated by the DCE to the DTE.
AT+CNMI=2,0,2,0,0
OK
After a while the “District” broadcast message is displayed on the DTE.
+CBM: 24,50,1,1,1
TRIESTE
+CBM: 4120,50,2,1,1
TRIESTE
+CBM: 8216,50,1,1,1
TRIESTE
+CBM: 12312,50,2,1,1
TRIESTE
The network operator can provide the following list of Services, it is not mandatory:
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052
054
056
057
058
059
<mids>
000
010
020
022
024
030
032
034
040
050
Service name
Index
Flashes
Hospitals
Doctors
Pharmacy
Long Distant Road Reports
Local Road Reports
Taxis
Weather
District
Network Information
Operator Services
Directory Inquiries (national)
Directory Inquiries (international)
Customer Care (national)
Customer Care (international)
4.1.20. Read concatenated SMS
Use the following AT command to read concatenated SMSs:
AT#CMGLCONCINDEX
Example
Check the number of stored SMSs
AT+CPMS?
+CPMS: “SM”,6,30,”SM”,6,30,”SM”,6,30
OK
Check if concatenated SMSs are stored
AT#CMGLCONCINDEX
OK
6 SMSs are stored.
No concatenated SMSs are stored
Set up Text Mode
AT+CMGF=1
OK
Set SMS parameters
AT+CSMP=17,167,0,242
OK
Store two concatenated SMSs (they are indicated with two colors):
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AT+CMGW= “+3932X056Y6X8”
>12345678901234567890123456789012345678901234567890123456789012345678901234
567890123456789012345678901234567890123456789012345678901234567890123456789
0123456789098765432109876543210
+CMGW: 8
OK
Check the number of SMSs stored on the “SM” storage type
AT+CPMS?
+CPMS: “SM”,8,30,”SM”,8,30,”SM”,8,30
OK
Check the concatenated SMSs presence
AT#CMGLCONCINDEX
#CMGLCONCINDEX: 2,7,8
OK
2 SMSs are concatenated. Their storage positions are: 7, 8.
Read the SMS with index=7. The following visualization is valid for HSPS-GSM/GPRS family and GSM/GPRS family (it must have: #SMSMODE=1). To get info concerning the used coding refer to [19]
AT+CMGR=7
+CMGR: “STO UNSENT”,”+3932X056Y6X8”,””
0608040005020131D98C56B3DD7039584C36A3D56C375C0E1693CD6835DB0D9783C564
335ACD76C3E56031D98C56B3DD7039584C36A3D56C375C0E1693CD6835DB0D9783C56
4335ACD76C3E56031D98C56B3DD7039584C36A3D56C375C0E1693CD6835DB0D9783C5
64335ACD76C3E56031D98C56B3DD7039584C36A3D56C375C0E1693CD6835DB0D9783C
564
OK
Read the SMS with index=8. To get info concerning the used coding refer to [19].
AT+CMGR=8
+CMGR: “STO UNSENT”,”+3932X056Y6X8”,””
06080400050202335ACD76C3E56039DCCD56A3CD6431580E77B3D56833590C06
OK
The following view, of the same concatenated SMSs, is valid only for 2G series with AT#SMSMODE=0
AT+CMGR=7
+CMGR: “STO UNSENT”,”+3932X056Y6X8”,””
123456789012345678901234567890123456789012345678901234567890123456789012345
678901234567890123456789012345678901234567890123456789012345678901234567890
12
OK
AT+CMGR=8
+CMGR: “STO UNSENT”,”+3932X056Y6X8”,””
3456789098765432109876543210
OK
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The user can access the different Phonebook types, stored on the SIM card or on the NVM memory, by means of the dedicated AT commands. The modules support the Phonebooks described in the following sub-chapters.
4.1.21. Phonebook types
The choice of the Phonebook type must be the first Phonebook operation. Once storage is selected, it is no longer needed to select it again until the desired storage remains the same, and the module is not turned off.
4.1.21.1.
2G Modules
“SM” – SIM Phonebook:
is used to store and recall phone numbers.
“FD” – SIM Fixed Dialing-Phonebook:
it is accessible by means of the PIN2 code.
Example
: if the “FD” storage holds the following string numbers 0432, 040, the module can call only phone numbers starting with one of the two string numbers.
“LD” – SIM/NVM Last-Dialing-Phonebook:
is the list of the last dialed phone numbers, it is updated automatically. +CPBW command can be only used to delete phone numbers.
“MC” – NVM Missed-Calls-Phonebook:
is the list of the received calls not answered. It is updated automatically. +CPBW command can be only used to delete phone numbers.
“RC” – NVM Received-Calls- Phonebook:
is the list of the received and answered calls.
It is updated automatically. +CPBW command can be only used to delete phone numbers.
“MB” – SIM Mail-Box- Phonebook:
The MB must be supported by SIM.
is a read only list of the phone mailbox numbers.
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4.1.21.2.
3G Modules
“SM” – SIM Phonebook:
is used to store and recall phone numbers.
“FD” – SIM Fixed Dialing-Phonebook:
It is accessible by means of the PIN2 code.
E.g.: if the “FD” storage holds the following string numbers 0432, 040, the module can call only phone numbers starting with one of the two string numbers.
“LD” –SIM Last-Dialing-Phonebook:
updated automatically in SIM. +CPBW command can be only used to delete phone numbers.
is the list of the last dialed phone numbers; it is
“MC” – NVM Missed-Calls-Phonebook:
is the list of the received calls not answered. It is updated automatically. +CPBW command can be only used to delete phone numbers.
“RC” – NVM Received-Calls-List:
is the list of the received and answered calls. It is updated automatically. +CPBW command can be only used to delete phone numbers.
“MB” – SIM Mail-Box-List:
be supported by SIM.
is a read only list of the phone mailbox numbers. The MB must
“DC” – NVM Last-Dialing-Phonebook:
is the list of the last dialed phone numbers stored on the module (NVM); it is updated automatically. +CPBW command can be only used to delete phone numbers.
“ME”- NVM Module Phonebook:
is used to store and recall phone numbers.
“EN”- SIM Emergency List:
is a read only list of the emergency phone numbers stored on SIM.
“ON”-SIM Own Number:
is the list of the SIM numbers, e.g.: SIM number for voice call and SIM number for data call.
4.1.22. Select Phonebook Memory Storage
Use the following AT command to select the Phonebook Memory Storage:
AT+CPBS=<storage>
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4.1.22.1. 2G Modules
Examples
AT+CPBS=?
Read the supported range of Phonebook Storages
+CPBS: (“SM”,”FD”,”LD”,”MC”,”RC”) “MB” is not supported by the inserted SIM
OK
AT+CPBS?
+CPBS: “SM”,10,250
Read the current Phonebook Storage
OK
AT+CPBS=”FD”
Select “FD” phonebook storage
ERROR
AT+CMEE=2
OK
AT+CPBS=”FD”
+CME ERROR: SIM PIN2 required
AT+CPIN=PIN2
OK
AT+CPBS=”FD”
OK
Enter PIN2
Select “FD” phonebook storage
The following ones can substitute the previous two commands:
AT+CLCK=”FD”,1,PIN2
OK.
AT+CPBS=”MC”
OK
AT+CPBS?
+CPBS: “MC”,0,20
OK
Select “MC” Phonebook Storage
After module power on and PIN authentication, the module reads the data records stored on the SIM. During this activity, the phonebook access is inhibited for a time interval depending on various factors. If Phonebook commands are entered during this interval, the module returns an error message. In this case, retry the operations later.
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4.1.22.2. 3G Modules
Examples
AT+CPBS=?
Read the supported range of Phonebook Storages
+CPBS: (“SM”,”FD”,”LD”,”MC”,”RC”,”DC”,”ME”,”EN”,”ON”)
OK
Read the current phonebook storage
AT+CPBS?
+CPBS: “SM”,19,250
OK
4.1.23. Search Phonebook Entries
Use the following AT command to search a Phonebook entry.
AT+CPBF=<findtext>
Examples
Read the current Phonebook storage and select “SM” storage:
AT+CPBS?
+CPBS: “MC”,0,20
OK
AT+CPBS=”SM”
OK
AT+CPBS?
+CPBS: “SM”,10,250
OK
Look for entries having name starting with
“FA” on the selected storage:
AT+CPBF=”FA”
+CPBF: 7,”+39404192XYZ”,145,”Fabio”
+CPBF: 9,”0404X92XYX”,129,”Fabrizio”
OK
Look for an entry not present on the selected storage. Before doing that verify if the Extended
Error result code is enabled.
AT+CMEE?
+CMEE: 2
OK
AT+CPBF=”FAUSTO”
+CME ERROR: not found
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The search for <name> string is not case sensitive and the string may or may not be included in double brackets.
4.1.24. Read Phonebook Entries
Use the following AT command to read a Phonebook entry:
AT+CPBR=<index1>[,<index2>]
Select “SM” storage:
AT+CPBS=”SM”
OK
Look for the entry at the position index = 7:
AT+CPBR=7
+CPBR: 7,”+39404192XYZ”,145,”Fabio”
OK
Look for the entries from position 7 up to position 9:
AT+CPBR=7,9
+CPBR: 7,”+39404192XYZ”,145,”Fabio”
+CPBR: 9,”0404X92XYX”,129,”Fabrizio”
OK
The position 8 is empty.
4.1.25. Write Phonebook Entry
Use the following AT command to write a Phonebook entry:
AT+CPBW=[<index>][,<number>[,<type>[,<text>]]]
Examples
Select the “SM” phonebook:
AT+CPBS=”SM”
OK
Write a new record on the first free position of the selected “SM” phonebook:
AT+CPBW=,”0404192XYY”,129,”NewRecord”
OK
Check where the new record has been written:
AT+CPBF=”NEW”
+CPBF: 8,”0404192XYY”,129,”NewRecord”
OK
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4.1.26. Delete Phonebook Entry
Use the following AT command with only <index> parameter to delete a Phonebook entry:
AT+CPBW=<index>
Examples
Select the “SM” phonebook:
AT+CPBS=”SM”
OK
Delete record 7 on the “SM” phonebook:
AT+CPBW= 7
OK
Try to delete a non-existent record on the “SM” phonebook, just to see the format response:
AT+CPBF=99999999999
+CME ERROR: not found
The delete command overwrites the <index> record number with an empty record.
4.1.27. Dial Phonebook Entry
To dial a phone number stored in the Phonebook, the user must get the desired phone number index position using the +CPBF command. Once the <index> number is known, the user can establish the call.
ATD><n>[;]
Wait for command response in accordance with the call type entered.
Examples
Establ ish a Voice call, on HS audio path, to “Fabio” whose number is stored on the SIM
Phonebook:
Select the “SM” as active storage.
AT+CPBS=”SM”
OK
Find the index number where “Fabio” is recorded.
AT+CPBF=”Fabio”
+CPBF: 7,”+390404X9YYYY”,145,”Fabio”
OK
Set up Voice Call.
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AT+FCLASS=8
OK
Use software way to select HS audio path.
AT#CAP=2
OK
Set the volume.
AT+CLVL=8
OK
Check the mute setting.
AT+CMUT?
+CMUT: 0
Establish the voice call using the index.
ATD>7
OK
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The Telit Modules provide a function that reduces the power consumption during the period when they are in IDLE state (waiting for a call), allowing a longer activity with a given battery capacity.
The power saving function can be configured in several modes in accordance with the user needs.
In accordance with the response of the
AT+CFUN=?
Command, you can know the Power Saving
Modes supported by the version of your Telit Module, refer to the table below:
Modules Software Versions AT+CFUN=?
2G
3G
10.01.xxx, 13.00.xxx, 16.01.xxx
12.00.xxx
+CFUN: (0,1,2,4,5,7,9,10,11),(0, 1)
OK
+CFUN: (0,1,4,5,7,9),(0, 1)
OK
Tab. 4: CFUN Modes & Software Versions
Use the following AT command to set the power saving mode:
AT+CFUN=[<fun>[,<rst>]]
Check the current mode:
AT+CFUN?
+CFUN: 1
module with full functionality and power saving disabled (factory setting)
OK
4.1.28. Some clarifications
1. When the module is powered ON the power saving function is disabled (CFUN=1, factory setting) to guarantee the radio functionality and data exchange between the module and the user device. Therefore, the needed CFUN mode command should be entered after every power ON.
2. The radio power ON/OFF activities require a delay between consecutive activation of the following CFUN commands:
CFUN=1
CFUN=4 or CFUN=1
CFUN=4
CFUN=1
CFUN=1
CFUN=10 or CFUN=1
CFUN=11 or CFUN=1
CFUN=10
CFUN=11
It is suggested to use a delay of 10 sec.
3. If the entered CFUN command does not turn off the radio functionality, the power saving function does not affect the network activity of the module. During the power saving mode the module remains registered on the network and reachable for incoming calls, SMS, etc. If an
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incoming call arrives during the power saving, the module will wake up and proceed normally to manage the call.
4. Assume that the module is in power saving mode. The paging time range is 0.5 ÷ 2.1 sec, it depends upon DRX time set by the network; when the module wakes up from the power saving mode, it takes a maximum of 150 ms before checking the DTR line coming from the DTE. If a command is received during the power saving, the module needs at least 0.5÷2.1 sec +150 msec to be ready. Hence, use a delay of at least 2250 msec between the port opening
(DTR=ON) and command sending.
5. The CFUN mode can be saved into the selected profile only if the AT+CFUN command is entered into the module through the AT0 parser (Instance #1, refer to documents [10], [22]).
4.1.29. CFUN=0 and 3G Modules
For HE910 series the behavior of the CFUN=0 is conditioned by the setting of the AT#ENS
command, refer to § 3.1.25.3, and 3.1.25.4.
AT#ENS=0
AT#ENS=1
CFUN=0 has the standard functionality
CFUN=0 has the same functionality of CFUN=4
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4.1.30. CFUNs and the Main Serial Port
This chapter describes the relation between the CFUN modes and the control lines (RTS, CTS
refer to § 1.6) of the Main Serial Port (hereafter called AT interface). The § 4.1.31 describes the
wake up events (for example, unsolicited result code) that force the module to exit from the power saving mode temporarily or permanently.
CFUN=2, CFUN=4
These CFUN modes do not interact with the control serial lines of the AT interface.
Type in CFUN=2, the module disables Tx.
Type in CFUN=4, the module performs network deregistration, and SIM deactivation.
CFUN=0, CFUN=9
Here is the starting control lines configuration, the AT interface is working.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON (or OFF), DTR=ON
Type in CFUN=0 or CFUN=9. The module enters the NON-CYCLIC SLEEP mode, and the AT interface is no longer accessible. Here is the new control lines configuration.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON (or OFF), DTR=ON.
Power saving mode is identified by <DSR=OFF>, <CTS=OFF>. Do not send further characters, they remain in the input buffer and may delay the output of an unsolicited result code.
The RTS line toggling forces the module to exit power saving and enter CFUN=1 mode. The
AT interface is again accessible.
The power saving mode (0 or 9) does not affect the radio activities of the module. It remains registered on the network and reachable for incoming calls or SMS. If a call incomes during the power saving mode, the module will wake up, enters CFUN=1 mode, and proceeds normally with the unsolicited incoming call code.
CFUN=7
Here is the starting control lines configuration, the AT interface is working.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON (or OFF), DTR=ON
Type in CFUN=7, the module enters the CYCLIC SLEEP mode. It sets periodically the CTS control line to ON to enables the AT interface for a short time. The period, between two consecutive CTS
OFF
ON transitions, extends from some sec to some tens of sec, its variability depends on the internal timing of the module. If characters are recognized on the AT interface, the module stays
active for about 2 sec after the last character has been sent or received, see
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The module exits CYCLIC SLEEP mode only if AT+CFUN=1 is entered.
The power saving mode 7 does not affect radio activities of the module. It remains registered on the network and reachable for incoming calls or SMS. If call incomes during the power saving mode, the module will wake up, proceed normally with the unsolicited incoming call code, and after that enters again CFUN=7 mode.
CTS=OFF
CYCLIC SLEEP mode
AT Interface enabled
CTS=ON
Last character
2 sec
CYCLIC SLEEP mode
Fig. 4: CFUN=7, Cyclic Sleep
CFUN=5
Here is the starting control lines configuration, the AT interface is working.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON (or OFF), DTR=ON
Type in CFUN=5. The module has full functionality, and the power saving mode is enabled.
To force the module in power saving mode the DTE must set DTR control line to OFF.
Here is the new control lines configuration.
<DSR=OFF>, RI=OFF, DCD=OFF, <CTS=OFF>, RTS=ON (or OFF), DTR=OFF
The AT interface is no longer accessible. Power saving mode is identified by <DSR=OFF>,
<CTS=OFF>.
The module is in power saving mode. The DTE must set the DTR control line to ON, and wait that the module sets the CTS/DSR control lines to ON, before sending any AT command. Now, the AT interface is accessible, but the module is still in CFUN=5 mode. Enter CFUN=1 to exit
CFUN=5 mode.
The module will go back in the power saving mode when the DTE sets DTR line to OFF.
The power saving mode 5 does not affect the radio functionalities of the module. It remains registered on the network and reachable for incoming calls or SMS. If call incomes during the power saving mode, the module will wake up, proceed normally with the unsolicited incoming call code, and after that enters again CFUN=5 mode, it is a CYCLIC SLEEP mode.
CFUN=10
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Here is the starting control lines configuration, the AT interface is working.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON (or OFF), DTR=ON
Enter CFUN=10. The module is detached from the network (TX and RX are disabled), the SIM is deactivated, and the power saving mode is enabled.
To force the module in power saving mode the DTE must set DTR control line to OFF.
Here is the new control lines configuration.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON (or OFF), DTR=OFF
The AT interface is no longer accessible. Power saving mode is identified by <DSR=OFF>,
<CTS=OFF>.
The module is in power saving mode. The DTE must set the DTR control line to ON, and wait that the module sets the CTS/DSR control lines to ON, before sending any AT command. Now, the AT interface is accessible, but the module is still in CFUN=10 mode.
Enter CFUN=1 to exit CFUN=10 mode.
The module will go back in the power saving mode when the DTE sets DTR line to OFF.
CFUN=11
Here is the starting control lines configuration, the AT interface is working.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON (or OFF), DTR=ON
Enter CFUN=11. The module is detached from the network (TX and RX are disabled), the SIM is deactivated, and the power saving mode is automatically entered. Here is the new control lines configuration.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON (or OFF), DTR=ON
The AT interface is no longer accessible. Power saving mode is identified by <DSR=OFF>,
<CTS=OFF>
The module is in power saving. It monitors the RTS toggling every N seconds to change the current AT interface state (accessible/not accessible). The range of N extends from some sec to some tens of sec, its variability depends on the internal timing of the module. In any case, the CFUN=11 mode is still active.
When the AT interface is accessible, enter CFUN=1 to exit CFUN=11mode.
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4.1.31. CFUNs and Wake up Events
It is suggested to read § 4.1.30 before reading the
The Tab. 5 shown in the next page summarizes the behavior of the CFUN modes in relation with
specific wake up event. The shaded row lists the available CFUN modes; the shaded Wake up
Events column lists the possible events. Therefore, the cell on the crossing between the selected
CFUN mode column and the row of the selected wake up event shows the new CFUN mode entered by the module after the occurrence of the wake up event. It is assumed that the wake up events occur when the module is in power saving mode.
The "N/A" abbreviation indicates that the specific wake up event shown in the table is not applicable to the selected CFUN. For example, incoming voice call is not applicable when the module is in CFUN=4 mode because the radio is turned off.
"The new mode depends on URC" means that the final CFUN mode of the module depends on the type of the URC. For example, if the wake up event is the extraction of the SIM, #QSS URC
is not generated if the module is in CFUN=4 mode because the SIM is deactivated, see § 4.1.32.1.
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CFUN=0 CFUN=2 CFUN=4 CFUN=5 CFUN=7 CFUN=9 CFUN=10 CFUN=11
Wake up Events
Unsolicited Result
Code
Incoming voice/data call
Incoming call is managed, RING is displayed. The module exits power saving state and enters CFUN=1 mode.
N/A
Incoming SMS
AT+CNMI=0,0, ...
Incoming SMS
AT+CNMI=1,1, ...
Module enters
NON-CYCLIC
SLEEP mode.
Disable TX.
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled.
The power saving is enabled
Module enters
CYCLIC SLEEP mode.
Refer § 4.6.3
Module enters
NON-CYCLIC
SLEEP mode.
Refer § 4.6.3
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled. The power saving is enabled.
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled. The module enter automatically in power saving mode.
Refer § 4.6.3
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
The new mode depends on URC.
Incoming SMS is managed, URC is not displayed. The module stays in power saving state in CFUN=0 mode
N/A
Incoming SMS is managed, URC is displayed. The module exits power saving state and enters CFUN=1 mode
N/A
N/A
N/A
Incoming call is managed, RING is displayed. DTR is used to exit/ enter power saving state in CFUN=5 mode.
Incoming call is managed. RING is displayed, power saving state is exited. ATH command is used to enter again power saving state in CFUN=7 mode.
Incoming call is managed, RING is displayed. The module exits power saving state and enters CFUN=1 mode.
N/A
Incoming SMS is managed, URC is not displayed. DTR is used to exit/ enter power saving state in CFUN=5 mode.
Incoming SMS is managed, URC is not displayed. CTS is toggling, module is in power saving state in CFUN=7 mode.
Incoming SMS is managed, URC is not displayed. The module stays in power saving state in CFUN=9 mode.
N/A
N/A
Incoming SMS is managed, URC is displayed. DTR is used to exit/ enter power saving state in CFUN=5 mode.
Incoming SMS is managed, URC is displayed. CTS is toggling, module is in power saving state in CFUN=7 mode.
Tab. 5: CFUN Modes & Wake up Events (con't)
Incoming SMS is managed, URC is displayed. The module exits power saving state and enters CFUN=1 mode.
N/A
N/A
N/A
N/A
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Wake up Events
Module enters
NON-CYCLIC
SLEEP mode.
Refer § 4.6.3
Disable TX.
Incoming GPRS packet
RTC alarm
AT+CFUN=1
CFUN=0
a)
CFUN=1
/
CFUN=2
N/A
CFUN=2
CFUN=1
CFUN=4
N/A
CFUN=4
CFUN=1
CFUN=5
CFUN=5
CFUN=5
/
RTS toggling CFUN=1 / / /
RTS toggling
+
AT+CFUN=1
DTR=ON
+
AT+CFUN=1
CTS=ON
+
AT+CFUN=1
/
/
/
/
/
/
/
/
/
/
CFUN=1
/ a) For modules having: 12.00.006 sw: CFUN=0
CFUN=1;
13.00.xxx sw: CFUN=0
CFUN=0.
CFUN=7
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled.
The power saving is enabled
Refer § 4.6.3
Module enters
CYCLIC SLEEP mode.
Module enters
NON-CYCLIC
SLEEP mode.
Refer § 4.6.3
CFUN=7
CFUN=7
/
/
/
/
CFUN=1
CFUN=9
CFUN=1
CFUN=1
/
CFUN=1
/
/
/
CFUN=10 CFUN=11
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled. The power saving is enabled.
The module performs network deregistration and
SIM deactivation.
TX and RX are disabled. The module enter automatically in power saving mode.
N/A
CFUN=10
/
/
N/A
CFUN=11
/
/
/ CFUN=1
CFUN=1
/
/
/
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4.1.32.
4.1.32.1.
Example 1
CFUN Examples
CFUN=0: Call, SMS, #QSS, +CALA
The wake up event is an incoming call.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Type in CFUN=0, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=0
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
An incoming call is arrived.
RING
RING
Here is the new control line configuration. The module is no longer in power saving.
<
DSR=ON
>, RI=ON, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
RING
RING
Check the current CFUN.
AT+CFUN?
+CFUN: 1
the module is in full functionality mode
OK
RING
RING
Hang up the call.
ATH
OK
Here is the new control line configuration.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
Example 2
The wake up event is a SMS receiving.
Enable URC created by the SMS receiving.
AT+CNMI=1,1,0,0,0
OK
Starting control line configuration, AT interface is enabled.
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<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Type in CFUN=0, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=0
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
A SMS is arrived.
+CMTI: "SM",17
Here is the new control line configuration. The module is no longer in power saving.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
Check the current CFUN.
AT+CFUN?
+CFUN: 1
the module is in full functionality mode
OK
Example 3
The wake up event is a SMS receiving.
Disable URC created by the SMS receiving.
AT+CNMI=0,0,0,0,0
OK
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Type in CFUN=0, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=0
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
A SMS is sent and received. The DTE does not displays the URC +CMTI.
Control line configuration does not change. The module is still in power saving, in CFUN=0 mode.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
Toggling RTC control line to exit power saving in CFUN=0 mode, and enter CFUN=1 mode.
Here is the new control line configuration.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=OFF, DTR=ON
Example 4
The wake up event is the #QSS URC.
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Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Enable Query SIM Status URC.
AT#QSS=1
OK
Type in CFUN=0, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=0
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
Extract the SIM. After a while, the DTE displays the following URC:
#QSS:0
Here is the new control line configuration. The module is no longer in power saving.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
Check the current CFUN mode.
AT+CFUN?
+CFUN: 1
the module is in full functionality mode
OK
Example 5
+CALA URC event forces the module in CFUN=1 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Type in CFUN=0, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=0
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
During the ALARM waiting, the module is in power saving and the AT interface is disabled.
When the alarm wakes up, the DTE displays the URCs. The module exits power saving in
CFUN=0 mode, and enters CFUN=1 mode.
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+CALA: ALARM, ALARM, ALARM
Here is the new control line configuration.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
Check the current CFUN.
AT+CFUN?
+CFUN: 1
the module is in full functionality mode
OK
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
AT#WAKE?
#WAKE: 0
the module exited alarm mode
OK
4.1.32.2.
Example 1
CFUN=2: #QSS, +CALA
#QSS URC event leaves the module in CFUN=2 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Type in CFUN=2, the module disable Tx.
AT+CFUN=2
OK
Control line configuration is not changed.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Enable Query SIM Status URC.
AT#QSS=1
OK
Extract the SIM. After a while, the DTE displays the following URC:
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#QSS:0
Control line configuration is not changed.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Check the current CFUN mode.
AT+CFUN?
+CFUN: 2
the CFUN mode is not changed.
OK
Example 2
+CALA URC event leaves the module in CFUN=2 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Type in CFUN=2, the module disable Tx.
AT+CFUN=2
OK
Control line configuration is not changed
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
When the alarm wakes up, the DTE displays the URCs.
+CALA: ALARM, ALARM, ALARM
Control line configuration is not changed.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
The module does not change CFUN mode.
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AT+CFUN?
+CFUN: 2
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
AT#WAKE?
#WAKE: 0
the module exited alarm mode
OK
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 2
OK
4.1.32.3.
Example 1
CFUN=4: #QSS, +CALA
#QSS URC event leaves the module in CFUN=4 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Type in CFUN=4, the module performs network deregistration, and SIM deactivation.
AT+CFUN=4
OK
Control line configuration is not changed.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Enable Query SIM Status URC.
AT#QSS=1
OK
Extract the SIM. The URC does not arrive because CFUN=4 mode deactivates the SIM.
The module stays in CFUN=4 mode.
AT+CFUN?
+CFUN: 4
OK
Example 2
+CALA URC event leaves the module in CFUN=4 mode.
Starting control line configuration, AT interface is enabled.
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<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Type in CFUN=4, the module performs network deregistration, and SIM deactivation.
AT+CFUN=4
OK
Control line configuration is not changed
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
When the alarm wakes up, the DTE displays the URCs.
+CALA: ALARM, ALARM, ALARM
Control line configuration is not changed.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 4
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
AT#WAKE?
#WAKE: 0
the module exited alarm mode
OK
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 4
OK
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4.1.32.4. CFUN=5: Call, SMS, +CALA
Example 1
The wake up event is an incoming call.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=5 mode, the power saving is enabled.
AT+CFUN=5
OK
Control line configuration does not change, AT interface is still enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in power saving.
DTR
OFF
The module is in power saving, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
An incoming call is arrived
RING
RING
Here is the new control line configuration: RING=ON
<
DSR=OFF
>, RI=ON, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
RING
RING
Exit power saving, and enable again the hardware flow control of the serial port.
DTR
ON
<
DSR=ON
>, RI=ON, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
The module exits power saving, but stays in CFUN=5 mode.
AT+CFUN?
+CFUN:5
OK
RING
RING
Hang up the call.
ATH
OK
Enter power saving.
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DTR
OFF
The module enters again the power saving mode, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
Example 2
The wake up event is a SMS receiving.
Enable URC created by the SMS receiving.
AT+CNMI=1,1,0,0,0
OK
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=5 mode, the power saving is enabled.
AT+CFUN=5
OK
Control line configuration does not change, AT interface is still enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in power saving.
DTR
OFF
The module is in power saving and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
A SMS is arrived.
+CMTI: "SM",17
The module is still in power saving and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
Exit power saving, and enable again the hardware flow control of the serial line.
DTR
ON
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
The module exits power saving, but stays in CFUN=5 mode.
AT+CFUN?
+CFUN:5
OK
Enter power saving.
DTR
OFF
The module enters again the power saving mode, and the AT interface is disabled.
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<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
Example 3
The wake up event is a SMS receiving
Check the number of SMS already arrived.
AT+CPMS?
+CPMS: "SM",18,30,"SM",18,30,"SM",18,30
Yes, a new SMS is arrived.
OK
Disable URC created by the SMS receiving.
AT+CNMI=0,0,0,0,0
OK
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=5 mode, the power saving is enabled.
AT+CFUN=5
OK
Control line configuration does not change, AT interface is still enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in power saving.
DTR
OFF
The module is in power saving and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
A SMS is sent and arrived. The DTE does not displays the URC +CMTI.
The module is still in power saving and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
Exit power saving, and enable again the hardware flow control of the serial line.
DTR
ON
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
The module exits power saving, but stays in CFUN=5 mode.
AT+CFUN?
+CFUN:5
OK
Check if a new SMS is arrived.
AT+CPMS?
+CPMS: "SM",19,30,"SM",19,30,"SM",19,30
Yes, a new SMS is arrived.
OK
Enter power saving.
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DTR
OFF
The module enters again the power saving mode, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
Example 4
+CALA URC event leaves the module in CFUN=5 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=5 mode, the power saving is enabled.
AT+CFUN=5
OK
Control line configuration does not change, AT interface is still enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:21:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Force the module in power saving.
DTR
OFF
During the ALARM waiting, the module is in power saving, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
When the alarm time is expired, DTE displays the URCs.
+CALA: ALARM, ALARM, ALARM
The AT interface is disabled.
Now, enable AT interface. The module exits power saving, but stays in CFUN=5 mode.
DTR
ON
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
Check if the module is in alarm mode.
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AT#WAKE?
#WAKE: 1
OK
+CALA: ALARM, ALARM, ALARM
Check the current CFUN.
AT+CFUN?
+CFUN: 5
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec the module exits alarm mode.
AT#WAKE?
#WAKE: 0
OK
Check the current CFUN.
AT+CFUN?
+CFUN: 5
OK
Force the module in power saving.
DTR
OFF
The module is in power saving in CFUN=5 mode, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
4.1.32.5. CFUN=7: Call, SMS, +CALA
Example 1
The wake up event is an incoming call.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=7 mode, the module toggles CTS control line.
AT+CFUN=7
OK
CTS is toggling.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
An incoming call is arrived
RING
RING
CTS is no longer toggling, RI=ON. The AT interface is permanently enabled, CTS=ON.
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<DSR=ON>, RI=ON, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
RING
RING
The module exits power saving, but stays in CFUN=7 mode.
AT+CFUN?
+CFUN:7
OK
RING
RING
Hang up the call.
ATH
OK
CTS is toggling, the module enters again the power saving mode.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
Example 2
The wake up event is a SMS receiving
Enable URC created by the SMS receiving.
AT+CNMI=1,1,0,0,0
OK
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=7 mode, the module toggles CTS control line.
AT+CFUN=7
OK
CTS is toggling.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
A SMS is arrived
+CMTI: "SM",17
CTS is still toggling. The module stays in CFUN=7 mode.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
Example 3
The wake up event is a SMS receiving
Disable URC created by the SMS receiving.
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AT+CNMI=0,0,0,0,0
OK
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=7 mode, the module toggles CTS control line.
AT+CFUN=7
OK
CTS is toggling.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
A SMS is sent and received. The DTE does not displays the URC +CMTI.
CTS is still toggling. The module stays in CFUN=7 mode.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
Example 4
+CALA URC event leaves the module in CFUN=7 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Force the module in CFUN=7 mode, the module toggles CTS control line.
AT+CFUN=7
OK
CTS is toggling.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
When the alarm time is expired, DTE displays the URCs.
+CALA: ALARM, ALARM, ALARM
CTS is still toggling.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON/OFF>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
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AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 7
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
AT#WAKE?
#WAKE: 0
the module is no longer in alarm mode
OK
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 7
OK
4.1.32.6. CFUN=9: +CALA
+CALA URC event forces the module in CFUN=1 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Type in CFUN=9, the module enters NON-CYCLIC SLEEP mode.
AT+CFUN=9
OK
Here is the new control line configuration. The module is in power saving.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
During the ALARM waiting, the module is in power saving and the AT interface is disabled.
When the alarm wakes up, the DTE displays the URCs. The module exits power saving in
CFUN=9 mode, and enters CFUN=1 mode.
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+CALA: ALARM, ALARM, ALARM
Here is the new control line configuration.
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
Check the current CFUN.
AT+CFUN?
+CFUN: 1
the module is in full functionality mode
OK
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
AT#WAKE?
#WAKE: 0
the module exited from alarm mode
OK
4.1.32.7. CFUN=10: +CALA
+CALA URC event leaves the module in CFUN=10 mode.
Starting control line configuration, AT interface is enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Force the module in CFUN=10 mode, the module performs network deregistration, and SIM deactivation. The power saving is enabled.
AT+CFUN=10
OK
Control line configuration does not change, AT interface is still enabled.
<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
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AT+CALA="08/05/16,09:21:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Force the module in power saving.
DTR
OFF
During the ALARM waiting, the module is in power saving and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
The DTE displays the URCs only if the AT interface is enabled. Enable AT interface. The module exits power saving, but stays in CFUN=10 mode.
DTR
ON
<
DSR=ON
>, RI=OFF, DCD=OFF, <
CTS=ON
>, RTS=ON, DTR=ON
+CALA: ALARM, ALARM, ALARM
Check if the module is in alarm mode.
AT#WAKE?
#WAKE: 1
OK
+CALA: ALARM, ALARM, ALARM
Check the current CFUN.
AT+CFUN?
+CFUN: 10
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec the module exits alarm mode.
AT#WAKE?
#WAKE: 0
OK
Check the current CFUN.
AT+CFUN?
+CFUN: 10
OK
Force the module in power saving.
DTR
OFF
The module is in power saving in CFUN=10 mode, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=OFF
4.1.32.8. CFUN=11: +CALA
+CALA URC event leaves the module in CFUN=11 mode.
Starting control line configuration, AT interface is enabled.
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<DSR=ON>, RI=OFF, DCD=OFF, <CTS=ON>, RTS=ON, DTR=ON
Set the clock
AT+CCLK="08/05/16,09:20:30+00"
OK
Set when the alarm wakes up: in two minutes (it is just an example).
AT+CALA="08/05/16,09:22:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Type in CFUN=11 mode. The module performs network deregistration, SIM deactivation. Tx and
Rx are disabled, and power saving is automatically entered.
AT+CFUN=11
OK
Here is the new control line configuration. The AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
The module is in power saving, it monitors the RTS toggling every N seconds to change the current AT interface state (disabled/enabled).
Toggle RTS, the AT interface is enabled.
Check the current CFUN.
AT+CFUN?
+CFUN: 11
OK
Toggle RTS, the AT interface is disabled.
When the alarm time is expired, DTE shows the URCs only if AT interface is enabled.
Toggle RTS, the AT interface is enabled.
+CALA: ALARM, ALARM, ALARM
Check the alarm mode
AT#WAKE?
#WAKE: 1
the module is in alarm mode
OK
+CALA: ALARM, ALARM, ALARM
Check the current CFUN.
AT+CFUN?
+CFUN: 11
OK
+CALA: ALARM, ALARM, ALARM
After 90 sec, the module exits alarm mode.
Check the alarm mode.
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AT#WAKE?
#WAKE: 0
the module exited alarm mode
OK
The module does not change CFUN mode.
AT+CFUN?
+CFUN: 11
OK
Toggle RTS, the module enter power sawing, and the AT interface is disabled.
<
DSR=OFF
>, RI=OFF, DCD=OFF, <
CTS=OFF
>, RTS=ON, DTR=ON
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Telit Modules provide various GPIO pins, which can be configured, by means of the AT commands, as showed hereafter:
Inputs,
Outputs,
“Alternate Functions”.
User applications, through GPIO AT commands, can control external user equipment connected to GPIO pins. Simple or no circuitries are needed to perform the required hardware interface.
The GPIO setting is not saved on power off. At power on, repeat the GPIO setting.
For detailed GPIO pins descriptions refer to document [3] in accordance with the used module.
4.1.33. Set GPIO Pin as OUTPUT
Use the following AT command to set a GPIO as output with Low or High status value.
AT#GPIO=<pin>,<value>,1
Set GPIO8 pin as Output with Low status:
AT#GPIO=8,0,1
OK
GPIO8 pin is set in output; its status is Low
Set GPIO8 pin as Output with High status:
AT#GPIO=8,1,1
OK
GPIO8 pin is set in output; its status is High
4.1.34. Set GPIO Pin as INPUT
Use the following AT command to set a GPIO as input. A dummy value must be specified for pin status value.
AT#GPIO=<pin>,<dummy_value>,0
Example
Set GPIO9 pin as Input:
AT#GPIO=9,0,0
OK
GPIO9 pin is set in input
4.1.35. GPIO Pin Status
Use the following AT command to check the pin status.
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AT#GPIO=<pin>,2
Set GPIO8 pin as output with Low status.
AT#GPIO=8,0,1
OK
Set GPIO9 pin as input.
AT#GPIO=9,0,0
OK
Now, physically connect GPIO8 with GPIO9, and check the GPIO9 status.
AT#GPIO=9,2
#GPIO: 0,0
GPIO9 pin status is Low, as commanded by GPIO8.
Set GPIO8 pin as output with High status.
AT#GPIO=8,1,1
OK
Check the GPIO9 status.
AT#GPIO=9,2
#GPIO: 0,1
GPIO9 pin status is High, as commanded by GPIO8.
Check the GPIO8 status.
AT#GPIO=8,2
#GPIO: 1,1
GPIO8 pin is set in Output direction and its status is High.
Check the supported range of pin, mode and direction. The command response depends on the used module.
AT#GPIO=?
#GPIO: (1-13),(0-2),(0-2)
OK
The AT command response is function of the pin direction:
input: the command response indicates the current input status output: the command response indicates the last setting of the pin status
If GPIO pin is set to Alternate Function mode, the reported status is not valid.
4.1.36. GPIO & Alternate Function
The following paragraphs describe the GPIO dedicated to support the Alternate Function configuration, and the AT commands used to perform the setting. For a detailed documentation about the Alternate Functions and GPIO circuitry refer to document [3] in accordance with the used module.
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4.1.36.1. GPIO4 Pin as RF Transmission Control
The user application by means of the GPIO4 can control the transmitter of the module. Use the following AT command to set the GPIO4 in RF Transmission Control Alternate Function mode.
AT#GPIO=4,<dummy_value>,2
The GPIO4 pin is set in input; the setting is saved at module power off
4.1.36.2. GPIO5 Pin as RFTXMON OUTPUT
The GPIO5 pin is provided with circuitry in order to be connected to the “RFTXMON OUTPUT”.
The user application by means of the GPIO5 can monitor the transmitter module status. Use the following AT command to set the GPIO5 in “RFTXMON OUTPUT” Alternate Function mode.
AT#GPIO=5,<dummy_value>,2
Set GPIO5 pin as RFTXMON Output:
AT#GPIO=5,0,2
OK
GPIO5 pin is successfully set in RFTXMON Output Alternate Function mode.
The GPIO5 pin is set in output; the setting is saved at module power off
4.1.36.3. GPIO6 Pin as ALARM OUTPUT
The user application through the GPIO6 can monitor the ALARM status. The AT+CALA command is used to set the ALARM working with GPIO6. Use the following AT command to set the GPIO6 pin in Alarm Output Alternate Function mode.
AT#GPIO=6,<dummy_value>,2
Set GPIO6 pin as Alarm Output:
AT#GPIO=6,0,2
OK
GPIO6 pin is successfully set in Alarm Output Alternate Function mode.
The GPIO6 pin is set in output, the setting is saved at module power off
4.1.36.4. GPIO7 Pin as BUZZER OUTPUT
Use the following AT command to set the GPIO7 pin in Buzzer Output Alternate Function mode.
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AT#GPIO=7,<dummy_value>,2
Set GPIO7 pin as Buzzer Output:
AT#GPIO=7,0,2
OK
GPIO7 pin is successfully set in BUZZER OUTPUT Alternate Function mode.
The GPIO7 pin is set in output, the setting is saved at module power off. Use
AT#SRP command to setup the needed Buzzer configuration
4.1.36.5. Set STAT_LED GPIO
The Network Service availability and Call status can be indicated through the blinking light of a led connected to a GPIO by means of a simple circuitry. The GPIO used for this function depends on the used module. This GPIO is called STAT_LED pin and can be configured using the following
AT command.
Enable the function
AT#SLED=2
OK
Save the setting
AT#SLEDSAV
OK
Disable the function
AT#SLED=0
OK
now, the GPIO is free to be used for other functions
4.1.36.6. JAM GPIO
4.1.36.6.1. 2G Modules
Jamming devices interfere with GSM communications corrupting the GSM signals. GPIO2 can be used to give information concerning the presence/absence of jamming activity in that area. The jamming activity indicator is configured by means of the following AT command. Refer to document [11] to have detailed information on the "Methods" mentioned below.
Enable GPIO2 as jamming activity indicator and select the Method 1 to evaluate the presence/absence of jamming.
AT#JDRENH=1,1
OK
Disable GPIO2 as jamming activity indicator.
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AT#JDRENH=0
OK
Enable GPIO2 as jamming activity indicator and select the Method 2 to evaluate the presence/absence of jamming. To perform the evaluation using Method 2, the module must be powered on when jamming activity is not present.
AT#JDRENH=1,2
OK
Disable GPIO2 as jamming activity indicator.
AT#JDRENH=0
OK
In general, the quickness of the evaluation depends on the number of GSM frequencies that are analyzed.
4.1.36.6.2. 3G Modules
Refer to document [21].
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The modules provide Real Time Clock and Alarm features. The next sub-chapters describe some examples to show the AT commands used to:
Set up the right time
Check the actual time
Set up an alarm time
Delete an alarm time
Check/Update module clock before using the Alarm feature.
Once woken up, the module can have several "alarm behaviors type" in accordance with the
<type> parameter used to set up the alarm by means of the AT+CALA command:
Automatically wakes up from shutdown and becomes operative.
Automatically wakes up from shutdown and enters dedicated Alarm Status. The module does not look for or try to register on any network, it performs only previously programmed alarm actions. It can receive AT commands to become operative or shutdown immediately.
Send an unsolicited code "+CALA: <text>" on the serial port until the 90 sec timeout expires or a special wake up command is received.
The programmed unsolicited code "AT+CALA:<user_text> alerts the user application that the
"alarm time" is expired.
Play an alarm tone until the 90 sec timeout expires or a special wake up command is received. The playing of the alarm tone alerts the user.
Rise the GPIO6 pin until the 90 sec timeout expires or a special wake up command is received. The GPIO6 pin can be used to wake up a user device at the desired time.
4.1.37.
4.1.37.1.
Clock
Set Module Clock
Use the following AT command to update the module clock.
AT+CCLK="<time>"
Set up the clock to 7 November 2002 at 12h 24m 30s for the time zone +01h central Europe:
AT+CCLK="02/11/07,12:24:30+04"
OK
The time is successfully set.
The updated time starts immediately after the time setting command.
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4.1.37.2. Read the Current Date and Time
Use the following AT command to display the current module time.
AT+CCLK?
Read the current time:
AT+CCLK?
+CCLK="02/11/07,12:26:47"
OK
Current date/time is: 7 November 2002 12h 26m 47s
Enter the current time: year/month/day,hour:minute:seconds±time zone:
AT+CCLK="08/05/16,09:20:30+00"
OK
Read the current time:
AT+CCLK?
+CCLK: "08/05/16,09:20:52"
OK
The three last characters of <time> are not returned by the command because the used module does not support time zone information.
4.1.37.3. Automatic Data/Time updating
Use the following AT command to enables or disables the data/time updating. Not all Operators support this feature.
AT#NITZ=<val>,<mode>
Examples
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AT#NITZ?
#NITZ: 7,0
OK
AT#NITZ=15,1
OK
AT&W0
OK
AT&P0
OK enable full data/time updating
Power the module OFF/ON. After GSM registration or GPRS attach, depending on the Network
Provider configuration, on the DTE appears the following unsolicited indication:
#NITZ: 10/11/30,14:36:37+04,0
date/time and time zone + daylight saving time
Now, type in the following commands just to make a comparison between the commands responses formats.
AT+CCLK?
+CCLK: “10/11/30, 14:36:42+04”
OK
AT#CCLK?
#CCLK: “10/11/30, 14:36:52+04,0”
OK
date/time and time zone
date/time and time zone + daylight saving time
4.1.38.
4.1.38.1.
Alarm
Set Alarm
Use the following AT command to set up the Alarm configuration:
AT+CALA="<time>",0,<type>,"<text>"
Follow these commands to set up an Alarm configuration.
Read the current time.
AT+CCLK?
+CCLK: "08/05/16,09:20:52"
OK
Set up an Alarm configuration, <type> parameter is 2.
AT+CALA="08/05/16,09:35:30+00",0,2,"ALARM, ALARM, ALARM"
OK
Read the current time.
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AT+CCLK?
+CCLK: "08/05/16,09:34:04"
OK
Read the current time, the Alarm time is close.
AT+CCLK?
+CCLK: "08/05/16,09:34:49"
OK
The Alarm time is reached, the module displays on the DTE the previously configured unsolicited code:
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
+CALA: ALARM, ALARM, ALARM
4.1.38.2.
Example 1
Delete Alarm
Follow these commands to set up and delete the Alarm using its index.
Read the current time.
AT+CCLK?
+CCLK: "08/07/18,10:17:21"
OK
Set up the Alarm configuration, the alarm index is 0.
AT+CALA="08/07/18,10:22:00+00",0,2,"NEW ALARM"
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:19:04"
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:19:48"
OK
The Alarm time is not reached
Delete the Alarm configuration using the alarm index.
AT+CALD=0
OK
Read the current time
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AT+CCLK?
+CCLK: "08/07/18,10:22:37"
OK
The Alarm time is over, the unsolicited +CALA: NEW ALARM message is not appeared on the
DTE in accordance with AT+CALD=0 command.
Example 2
Follow these commands to set up and delete the current Alarm.
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:42:31"
OK
Set up an Alarm configuration, <type> parameter is 2.
AT+CALA="08/07/18,10:48:00+00",0,2,"NEW1 ALARM"
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:44:25"
OK
The Alarm time is not reached
Delete the current Alarm configuration.
AT+CALA=""
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:47:02"
OK
The Alarm time is still not reached
Read the current time
AT+CCLK?
+CCLK: "08/07/18,10:48:46"
OK
The Alarm time is over, the unsolicited +CALA: NEW1 ALARM message is not appeared on the
DTE in accordance with AT+CALA="" command.
4.1.38.3. Recurrent Alarm
Follow these commands to set up the recurrent Alarm configuration.
Read the current time
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AT+CCLK?
+CCLK: "08/07/18,10:42:31"
OK
Set up a recurrent Alarm configuration for all days in the week
AT+CALA="11:45:00+00",0,2,"NEW2 ALARM",0
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/18,11:35:25"
OK
The response shows that the Alarm time is still not reached.
The Alarm time is reached, the module displays on the DTE the previously configured unsolicited code:
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
.
.
Exit "Alarm Activity" and enter "Normal Operating Mode"
AT#WAKE=0
OK
Set up the new day to simulate the passing of time
AT+CCLK="08/07/19,11:42:00+00
OK
Read the current time
AT+CCLK?
+CCLK: "08/07/19,11:44:25"
OK
The response shows that the Alarm time is still not reached
The Alarm time is reached, the module displays on the DTE the configured unsolicited code set up yesterday! :
.
.
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
+CALA: NEW2 ALARM
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The Alarm time refers to the local time, regardless the time zone set by AT+CCLK command.
If GPIO6 pin is used as ALARM OUTPUT, it must be configured in "Alternate
4.1.36.3) or else the pin will not respond to the Alarm
settings.
If the unsolicited code +CALA: <text> is used, the serial port speed must be
configured as needed (see § 1.7) and stored in the active profile (see AT&W
command), to perform the module power on with the desired serial port speed. Be careful, at the Alarm wake up, the module will start with the default port speed that could be different from the speed set on DTE.
4.1.38.4. Postpone Alarm Time
Use the following AT command to postpone the Alarm configuration.
AT+CAPD=<time>
Read the current time
AT+CCLK?
+CCLK: "09/08/05,09:24:46+04"
OK
Set up an Alarm configuration, <type> parameter is 2.
AT+CALA="09/08/05,09:28:00+04",0,2,"NEW ALARM"
OK
Postpone of 60 seconds the just configured Alarm
AT+CAPD=60
OK
The Alarm time is reached, the module displays on the DTE the configured unsolicited code:
.
.
+CALA: NEW ALARM
+CALA: NEW ALARM
4.1.38.5. Stop Alarm
When the "Alarm Time" is reached, the module starts the "Alarm Activity" according to the previous
"Alarm Setting". There are three ways to stop the "Alarm Activity".
Shutdown the module
Exit from “Alarm Activity” and enter the “Normal mode”
Let the “Alarm Activity” continue until the 90 sec timeout is expired
U se the following AT command, the module exits “Alarm Activity” and shuts down.
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AT#SHDN
OK
Exit from the Alarm Status and Enter the Normal mode:
Use the following AT command, the module exits “Alarm Activity” and enters “Normal mode”.
AT#WAKE=0
OK
4.1.38.6. Alarm Status
When the "Alarm Time" is reached, the module wakes up and starts the "Alarm Activity". During this period no "Network Activity" is performed: the user application can perform some operations without register the module on the network. To check if the module is in the "Alarm" or in the
"Normal mode" status, use the following AT command.
AT#WAKE?
When the module is in the "Alarm" mode, no network activities are allowed: it is not possible to receive or send calls, SMS and any services. The only commands that are accepted by the module are AT#WAKE and AT#SHDN.
4.1.38.7. A simple Alarm Application
In this example, it is assumed that the user is developing a Meteorological Unit using a batterypowered module. The Meteorological Unit requirement is to measure the weather conditions every hour and send an SMS message to the main server, indicating the weather status just measured.
The user application should minimize the power consumption, because the Meteorological Unit will be installed in a remote location and its battery must last as long as possible. To minimize the power consumption, the user application should shut the module down as well the equipment that does not need to be powered up all the time. The module and the equipment will be woken up every hour for just the time needed to measure and send the required SMS message.
Set up the current time.
AT+CCLK="02/11/07,12:24:30+01"
OK
Set up the next alarm to program the GPIO6 pin which is responsible to power up the user equipment that does not need to be powered up all the time. <type> parameter is 6.
AT+CALA="02/11/07,13:24:30+01",0,6,"TIME TO MEASURE
& SMS…!"
OK
Shut down the module and the equipment.
AT#SHDN
OK
After an hour, when the programmed alarm time is reached, the module turns itself on in "Alarm
Mode", forces high the GPIO6 pin, which turns on the power supply of the equipment and sends the unsolicited code to DTE every three seconds:
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+CALA: TIME TO MEASURE & SMS…!
The module recognizes the unsolicited code and forces itself in operating mode:
AT#WAKE=0
OK
The equipment performs the weather measurements and by means of the module sends the SMS with the weather data.
Read the current time.
AT+CCLK?
+CCLK="02/11/07,13:24:47"
OK
Calculate and set up the next alarm time to program the GPIO6 pin which is responsible to power up the user equipment that does not need to be powered up all the time.
AT+
CALA="02/11/07,14:24:47+01",0,6,"TIME TO MEASURE & SMS…!"
OK
Shut down the module and the equipment.
AT#SHDN
OK
The module and the equipment are powered off. This sequence is repeated every hour.
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To have more information on connections topic refer to document [23].
4.1.39. 2G/3G Dialup Connection
The following two sub-chapters describe how to establish a dialup connection. The connection uses the following protocols:
PPP
TCP/IP running on the PC (or Application Equipment), and on the module running only on the PC (or Application Equipment)
4.1.39.1. 2G Modules
Check the current network operator.
AT+COPS?
+COPS: 0,0,"network operator"
OK
AT+WS46?
+WS46: 12
OK
12 = GSM
Check the current GPRS service attachment state.
AT+CGATT?
+CGATT: 1
OK
Use <cid>=1 to configure the PDP context.
AT+CGDCONT=1,"IP","APN"
OK
Type in the dialup command to enter the ONLINE Mode. By default, the command uses the
<cid>=1.
ATD*99#
CONNECT
Now, your application should start the PPP protocol, which triggers the PDP context activation.
For more information, refer to documents [23]/[24].
4.1.39.2. 3G Modules
Check the current network operator.
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AT+COPS?
+COPS: 1,0,"network operator",2
OK
AT+WS46?
+WS46: 25
OK
Check the current module attachment state.
AT+CGATT?
+CGATT: 1
OK
2 = UTRAN
GERAN and UTRAN
Use <cid>=1 to configure the PDP context.
AT+CGDCONT=1,"IP","APN"
OK
Type in the dialup command to enter the ONLINE Mode. By default, the command uses the
<cid>=1.
ATD*99#
CONNECT
Now, your application should start the PPP protocol, which triggers the PDP context activation.
For more information, refer to documents [23]/[24].
4.1.40. 4G Modules and Default/Dedicated EPS Bearers
In GPRS and 3G networks, the data session is established by means of the Packet Data Protocol
(PDP) Context procedure. Before the PDP context can be established, the module must do an
Attach procedure, which communicates to the SGSN (Serving GPRS Support Node) that the module has powered up. After the Attach procedure is completed, the module can do the first PDP
Context procedure that will establish the data session, and allocate an IP address to the module.
This PDP Context will have a QoS associated with it based on the current needs. If the module needs to have multiple data sessions, it will do a second PDP Context activation, and so on.
In LTE (4G) modules there are two types of data session setups.
Default Evolved Packet System (EPS) Bearer.
When UE attaches to the network for the first time, it will be assigned default bearer that remains as long as UE is attached. UE can have additional default bearers as well. Each default bearer comes with a separate IP address. Default bearer does not have specific QoS (non-GBR bearer).
Dedicated Evolved Packet System (EPS) Bearer.
It is created when the requested service cannot be fulfilled through default bearer.
Some services require a high level of QoS like VoIP, video etc. Therefore, network creates a dedicated bearer with required QoS (can be GBR or non-GBR). Dedicated bearer does not require separate IP address, only additional default bearer needs an
IP address and therefore dedicated bearer is always linked to one of the default bearer established previously.
To have information on AT commands syntax and related parameters refer to document [26].
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4.1.40.1.
Example
Default EPS Bearer at UE Power on
Power on a LE910-V2 module (4G).
By default, the <p_cid>=1 context identifier is assigned to a not defined APN.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","","",0,0
OK
When the network recognizes the attach request with a not defined APN, the network assigns to <p_cid>=1 its Default
EPS Bearer. The UE is 4G attached.
AT+CGATT?
+CGATT: 1
OK
After the Attach procedure, the <p_cid>=1 identifies the PDP context assigned by the network.
AT+CGACT?
+CGACT: 1,1
OK
Power on a GE910-QUAD module (2G).
The <cid>=1 context identifier is not assigned by default.
AT+CGDCONT?
OK
The module is GPRS attached.
AT+CGATT?
+CGATT: 1
OK
After the attached procedure, no PDP
Contexts are active.
AT+CGACT?
OK
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LE910-V2 module (con't)
List the parameters regarding the Default PDP Context assigned by the network, and associated to <p_cid>=1 context identifier.
AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"lte.tim.it.mnc001.mcc222.gprs",
"10.178.43.36.255.0.0.0",
"10.178.43.37",
"213.230.129.10",
"0.0.0.0",
"0.0.0.0",
"0.0.0.0"
OK p_cid bearer_id apn ip_addr and subnet_mask gw_addr
DNS_prim_addr
DNS_sec_addr
P_CSCF_prim_addr
P_CSCF_sec_addr
The functionalities (Data, IMS) of the Default PDP context assigned by the network, depend on the Network Operator.
When the <p_cid>=1 is associated to a user APN, i.e. the APN is not empty, that APN is used by the module during the 4G registration and data connection procedures. Some Network Operators could not allow the 4G registration when the user APN is used, and they could force a detach. If this happens, it is recommended to set the user APN on a <p_cid> different from 1 and keep on
<p_cid> 1 the empty APN.
4.1.40.1.1. Change a Default EPS Bearer at UE Power on
Following these steps, you can substitute the Default EPS Bearer with a user PDP Context.
Set up the new PDP Context associated to <p_cid>=1.
AT+CGDCONT=1,"IP","ibox.tim.it"
OK
Check the setting of the new PDP Context.
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
OK
Detach the UE from the network.
AT+CGATT=0
OK
Attach the UE. In a 4G network, the new PDP Context associated to <p_cid>=1 is automatically activated.
AT+CGATT=1
OK
List the parameters regarding the new Default EPS Bearer set and activated by the user.
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AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"ibox.tim.it.mnc001.mcc222.gprs",
"2.192.4.65.255.0.0.0",
"2.192.4.66",
"10.207.43.46",
"0.0.0.0",
"0.0.0.0",
"0.0.0.0"
OK p_cid bearer_id apn
ip_addr and subnet_mask gw_addr
DNS_prim_addr
DNS_sec_addr
P_CSCF_prim_addr
P_CSCF_sec_addr
The UE saves the Default EPS Bearer parameters in NVM. At each reboot, the Protocol Stack uses them.
Now, reboot the module and verify the PDP Context.
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
OK
4.1.40.2. Establish a Default EPS Bearer
The following AT commands can establish a Default EPS Bearer:
AT+CGACT
Establishes a Default EPS Bearer. If the module (UE) is not attached, it does the
Attached procedure and then activates the PDP Context.
AT#SGACT
Establishes a Default EPS Bearer, and opens a Network Interface to use the TCP/IP protocol running on the UE (IP Easy connection, see document [4]). If the <cid> used by the AT#SGACT command is already active, the command opens only a Network
Interface.
ATD
Establishes a Default EPS Bearer. It provides a dialup connection: PPP protocol is used to exchange data between the PC (or Application Equipment) and the module
(UE), the TCP/IP stack is running on the module.
AT#NCM
Establishes a Default EPS Bearer, refer to chapter 4.1.40.6
AT#MBIMCFG
Refer to document [23].
The AT commands shown in this chapter cannot use together the same <cid>.
4.1.40.3.
TBD
Dedicated EPS Bearer
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4.1.40.4. AT#DUALAPN
Assume that the UE is registered on a 4G network. If the UE tries to establish two Default EPS bearers with the same APN and PDP type, the second PDN Connectivity Request returns an
ERROR message. In general, some 4G Network Operators does not support multiple Default EPS bearers for a single APN.
This could be a limitation for those user applications requiring the activation of two PDP contexts connected to two different <p_cid>.
To overcame this limitation, use the #DUALAPN=0 mode that allows you, for example, to assign to <p_cid>=2 the same APN and PDP type already in use with <p_cid>=1. The module routs the
<p_cid>=2 to the <p_cid>=1; therefore, the IP address of both <p_cid> will be the same. See the examples in the following sub-chapters.
I. If the module is in #DUALAPN=0 mode, the AT commands shown in
chapter 4.1.40.2 cannot use two <p_cid> having the same IP address.
#DUALAPN=0 mode is by default. II.
4.1.40.4.1. IP Easy Connection
Example 1
Assume that the Default EPS Bearer associated to the <p_cid>=1 is "IP","ibox.tim.it", and no other
Default EPS Bearers are defined.
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
OK
Check if the UE is registered on a 4G network.
AT+COPS?
+COPS: 0,0,"I TIM",7
OK
7 = E-UTRAN
Check if the Default EPS Bearer is active
AT+CGCONTRDP=?
+CGCONTRDP: (1)
OK
Force the UE in #DUALAPN=0 mode (default).
AT#DUALAPN=0
OK
For example, if you assign to <p_cid>=2 the same APN and PDP type already in use by
<p_cid>=1, the <p_cid>=2 is routed to the <p_cid>=1.; therefore, the IP address of both <p_cid>s will be the same, as shown below.
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AT+CGDCONT=2,"IP","ibox.tim.it"
OK
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
+CGDCONT: 2,"IP","ibox.tim.it","",0,0
OK
Only the first context is active.
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,""
OK
Activate the second context.
AT#SGACT=2,1
#SGACT: 2.192.16.194
OK
The command returns the error code identifying the network reject cause. If no error, the code is
0.
AT#CEERNET
#CEERNET: 0
OK
As stated before, both <p_cid> have the same IP address.
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,"2.192.16.194"
OK
Example 2
Assume that the Default EPS Bearer associated to the <p_cid>=1 is "IP","ibox.tim.it", and no other
Default EPS Bearers are defined.
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
OK
Check if the UE is registered on a 4G network.
AT+COPS?
+COPS: 0,0,"I TIM",7
OK
7 = E-UTRAN
Check if the Default EPS Bearer is active
AT+CGCONTRDP=?
+CGCONTRDP: (1)
OK
Force the UE in #DUALAPN=1 mode.
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AT#DUALAPN=1
OK
Assigns to <p_cid>=2 the APN and PDP type associated to <p_cid>=1 already in use.
AT+CGDCONT=2,"IP","ibox.tim.it"
OK
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
+CGDCONT: 2,"IP","ibox.tim.it","",0,0
OK
Only the first context is active.
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,""
OK
Enable ERROR report in verbose format.
AT+CMEE=2
OK
Activate the second context. When a PDN Connectivity Request is sent, the command return an
ERROR.
AT#SGACT=2,1
+CME ERROR: activation failed
The command returns the error code identifying the network reject cause.
AT#CEERNET
#CEERNET: 55
OK
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,""
OK
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4.1.40.4.2. Dialup Connection
Example
Use COM1 port to enter the next commands, and assume that the Default EPS Bearer associated to the <p_cid>=1 is "IP","ibox.tim.it", and no other Default EPS Bearers are defined.
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
OK
Check if the UE is registered on a 4G network.
AT+COPS?
+COPS: 0,0,"I TIM",7
OK
7 = E-UTRAN
Check if the Default EPS Bearer is active
AT+CGCONTRDP=?
+CGCONTRDP: (1)
OK
Force the UE in #DUALAPN=0 mode (default).
AT#DUALAPN=0
OK
For example, if you assigns to <p_cid>=2 the APN and PDP type associated to <p_cid>=1 already in use, the <p_cid>=2 is routed to the <p_cid>=1. Therefore, the IP address will be the same for both <p_cid> as shown by the following commands.
AT+CGDCONT=2,"IP","ibox.tim.it"
OK
AT+CGDCONT?
+CGDCONT: 1,"IP","ibox.tim.it","",0,0
+CGDCONT: 2,"IP","ibox.tim.it","",0,0
OK
Only the first context is active.
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,""
OK
For example, type in
AT#PORTCFG=3
command, and reboot the UE.
----------------------------------------------------------------------------
After rebooting, use COM2 port to start a dialup connection from AT2 instance.
Enter the following command to force the UE in the ONLINE Mode. The command uses the
<cid>=2.
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ATD*99***2#
CONNECT
Now, your application should start the PPP protocol. For more information, refer to documents
[23]/[24].
----------------------------------------------------------------------------
Use COM1 port to enter the next command.
If the PPP activation is successful, the two context identifiers have the same IP address, as stated before.
AT+CGPADDR=
+CGPADDR: 1,"2.192.16.194"
+CGPADDR: 2,"2.192.16.194"
OK
4.1.40.5. AT#PDPAUTH
Power on the UE. By default, the <p_cid>=1 context identifier is assigned to the following not defined PDP context.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","","",0,0
OK
When the 4G network recognizes the attach request with a not defined PDP context, the network assigns to <p_cid>=1 its Default EPS Bearer. The UE is 4G attached
AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"internet.proximus.be.mnc001.mcc206.gprs",
"100.80.28.204.255.0.0.0","100.80.28.205",
"80.201.237.239",
"0.0.0.0","0.0.0.0",
"0.0.0.0"
OK
Set up the new PDP Context associated to <p_cid>=1.
AT+CGDCONT=1,"IPV4V6","AccessPointName"
OK
Verify the entered PDP Context.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","AccessPointName","",0,0
OK
Set the PDP authentication parameters.
AT#PDPAUTH=1,1,"UserName","PassWord"
OK
Detach the UE from the network.
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AT+CGATT=0
OK
Attach the UE to the network, the new PDP Context is activated. It is the new Default EPS Bearer.
AT+CGATT=1
OK
List the parameters regarding the new Default EPS Bearer set and activated by the user.
AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"AccessPointName.mnc001.mcc206.gprs",
"10.113.0.66.255.0.0.0",
"10.113.0.67","8.8.4.4",
"0.0.0.0","0.0.0.0",
"0.0.0.0"
OK
If you use the AT#PDPAUTH command, and then use, for example, the AT#NCM command to activate the PDP context with new authentication parameters, the authentication process is performed using the last entered parameters.
4.1.40.6. AT#PDPAUTH & AT#NCM
This chapter describes the use of AT#PDPAUTH and AT#NCM commands. Refer to document
[25] to get information about the AT#NCM command.
Example 1
Power on the UE.
By default, the <p_cid>=1 context identifier is assigned to a not defined APN.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","","",0,0
OK
When the 4G network recognizes the attach request with a not defined APN, the network assigns to <p_cid>=1 its Default EPS Bearer, and the UE is 4G attached
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AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"internet.proximus.be.mnc001.mcc206.gprs",
"100.80.28.204.255.0.0.0","100.80.28.205",
"80.201.237.239",
"0.0.0.0","0.0.0.0",
"0.0.0.0"
OK
Set up the new PDP Context associated to <p_cid>=1.
AT+CGDCONT=1,"IPV4V6","AccessPointName"
OK
Verify the entered PDP Context.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","AccessPointName","",0,0
OK
Use <cid>=1, and set the PDP authentication parameters.
AT#PDPAUTH=1,1,"UserName","PassWord"
OK
Detach the UE from the network.
AT+CGATT=0
OK
Attach the UE. In a 4G network, the PDP Context associated to <p_cid>=1 is automatically activated.
AT+CGACT=1,1
OK
Verify the state of the PDP Context.
AT+CGACT?
+CGACT: 1,1
OK
List the parameters regarding the new Default EPS Bearer set and activated by the user.
AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"AccessPointName.mnc001.mcc206.gprs",
"10.113.0.66.255.0.0.0",
"10.113.0.67",
"8.8.4.4",
"0.0.0.0",
"0.0.0.0",
"0.0.0.0"
OK
Assign the NCM protocol to cid = 1.
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AT#NCM=1,1
OK
Activate the NCM protocol on USB0, refer to document [25].
AT+CGDATA="M-RAW_IP",1
CONNECT
OK
Example 2
Power on the UE.
By default, the <p_cid>=1 context identifier is assigned to a not defined APN.
AT+CGDCONT?
+CGDCONT: 1,"IPV4V6","","",0,0
OK
When the 4G network recognizes the attach request with a not defined APN, the network assigns to <p_cid>=1 its Default EPS Bearer, and the UE is 4G attached
AT+CGCONTRDP=1
+CGCONTRDP:
1,
5,
"internet.proximus.be.mnc001.mcc206.gprs",
"100.87.125.10.255.0.0.0",
"100.87.125.11",
"80.201.237.239",
"0.0.0.0","0.0.0.0",
"0.0.0.0"
OK
Set up the new PDP Context associated to <p_cid>=3.
AT+CGDCONT=3,"IPV4V6","AccessPointName"
OK
Use <cid>=3, and set the PDP authentication parameters.
AT#PDPAUTH=3,1,"UserName","PassWord"
OK
Detach the UE from the network.
AT+CGATT=0
OK
Verify if the UE is detached.
AT+CGATT?
+CGATT: 0
OK
Verify the state of the PDP contexts.
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AT+CGACT?
+CGACT: 1,0
+CGACT: 3,0
OK
Attach the UE. In a 4G network, the PDP Context associated to <p_cid>=1 is automatically activated.
AT+CGATT=1,1
OK
Verify the state of the PDP Contexts.
AT+CGACT?
+CGACT: 1,1
+CGACT: 3,0
OK
Activate the PDP Context associated to <p_cid>=3.
AT+CGACT=1,3
OK
Verify the state of the PDP Contexts.
AT+CGACT?
+CGACT: 1,1
+CGACT: 3,1
OK
List the parameters regarding the Default EPS Bearers, the first one set by the 4G network, the second one set by the user.
AT+CGCONTRDP=
+CGCONTRDP:
1,
5,
"internet.proximus.be.mnc001.mcc206.gprs",
"100.114.19.108.255.0.0.0",
"100.114.19.109",
"80.201.237.239",
"0.0.0.0",
"0.0.0.0",
"0.0.0.0"
+CGCONTRDP:
3,
6,
"AccessPointName.mnc001.mcc206.gprs",
"10.113.0.66.255.0.0.0",
"10.113.0.67",
"8.8.4.4",
"0.0.0.0",
"0.0.0.0",
"0.0.0.0"
OK
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Assign the NCM protocol to cid = 3.
AT#NCM=1,3
OK
Activate the NCM protocol on USB0, refer to document [25].
AT+CGDATA="M-RAW_IP",3
CONNECT
OK
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Telit Modules support the Over-The-Air (OTA) update that is the wireless delivery of new firmware to the modules.
In the case the user needs to perform the firmware upgrading by means a serial line, Telit provides the suitable tool. It is suggested to provide a serial interface on the user printed circuit board (on which Telit Module is soldered) to perform the physical connection between the module and
Windows-PC, or use the Telit Evaluation Kit (EVK2), refer to document [6], that is equipped with serial interfaces.
The following paragraphs describe the Telit tool.
GT terminals are completely cased modems (refer to Applicability Table) and provide the standard RS-232 port that can be used to perform firmware update.
The Xfp tool, running on Windows-PC, allows the user to update the firmware of the module. The tool erases the flash memory content, and then downloads the new firmware on the erased flash memory.
1)
2)
3)
5.1.1. Update Procedure
Here is the procedure to update the firmware:
Install on the Windows-PC the Xfp tool and the USB FLASH driver.
Power OFF the module.
Run Xfp tool. The following Xpf info appears. The info shows some products that are out of the scope of the present document.
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4)
5)
Click left on OK button. The following dialog box appears.
Select port, speed and .bin file to download in the flash memory. The tool displays the
Software Version and the Product Name according to the selected .bin file.
6)
7)
Click left Program button. The bar starts flashing.
Power ON the module, the downloading starts and the bar shows the progress of the downloading as shown by the next dialog box.
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8) When the firmware update is finished, the following window appears.
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5.1.1.1. Command Line running Xfp tool
The Telit Module Firmware Upgrade Procedure can be performed by means of a command line running the Xfp tool in MS-DOS environment. The command line uses a space between two consecutive parameters.
Xfp stream_file port speed [autoterminate] [linktimeout]<CR>
Where:
Xfp stream_file port speed autoterminate linktimeout
tool described on paragraph 5.1.1;
file that must be downloaded (full path);
COM1, COM2, …, according to the PC configuration;
9600, …, according to the PC configuration;
0: Xfp doe sn’t exit at the downloading end, regardless of the result of the just performed activity (default);
1: the Xfp exits at the downloading end, regardless of the result of the just performed activity;
2: before closing, Xfp shows a popup with the time needed for programming;
Suggested range: 5 ÷ 60 [sec]. Default value = 60 [sec]. If linktimeout is used, must be used also autoterminate parameter.
Exit Codes:
0 OK
4
5
-4
- 9 stream not found can’t open port link failure timeout / error speed error -11
Exit Codes are displayed when Xfp tool is closed.
The folder where is installed the Xfp tool contains a .txt file giving information on the command line running the tool. In addition, the text file contains information on the bugs fixed by the various Xfp versions.
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The following VBScript example can be used to avoid the manual entry of the parameters as previously described.
'=============================================
' TELIT COMMUNICATIONS S.P.A
' VBScript Source File Name: XfpDOS.VBS
' 14th June 2010
'=============================================
Dim WshShell
Dim oExec
Set WshShell = CreateObject("WScript.Shell")
Command = "c:\Program\Telit\xfp\Xfp.exe D:\Stream\streamGE865_10.00.003.bin COM2
115200 0 60"
WScript.Echo "Start: " & Now()
WScript.Echo "Executing: " & Command
Set oExec = WshShell.Exec(Command)
Do While oExec.Status = 0
Loop
WScript.Sleep 100
WScript.Echo "ExitCode: " & oExec.ExitCode
WScript.Echo "Stop: " & Now()
WScript.Quit
'======================================================
Follow these steps to run the XfpDOS.VBS script:
1) Enter MS-DOS environment
2) Enter the command : CSCRIPT XfpDOS.VBS <CR>
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GERAN
GPIO
GUI
HF
HS
HSPA
IMS
IRA
APN
BCCH
CSD
CTM
CTS
DCE
DRX
DTE
DTMF
DTR
GBR
ME
MSISDN
NMEA
NVM
PDN
PDP
PDU
PIN
PPP
QoS
SIM
Access Point Name
Broadcast Control Channel
Circuit Switched Data
Cellular Text Telephone Modems
Clear To Send
Data Circuit-Terminating Equipment (refer to [14])
Discontinuous Reception
Data Terminal Equipment (refer to [14])
Dual Tone Multiple Frequency
Data Terminal Ready
Guaranteed Bit Rate
GSM EDGE Radio Access Network
General Purpose Input/Output
Graphic User Interface
Hands Free (old terminology)
Hand Set (old terminology)
High Speed Packet Access
IP Multimedia Subsystem
International Reference Alphabet
Mobile Equipment
Mobile Station International Subscriber Directory Number
National Marine Electronics Association
Non-Volatile Memory
Public Data Network
Packet Data Protocol
Protocol Data Unit
Personal Identification Number
Point to Point Protocol
Quality of Service
Subscriber Identification Module
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SMS
SMSC
TCP/IP
TTY
UART
UE
URC
USIM
UTRAN
Short Message Service
Short Message Service Center
Transmission Control Protocol / Internet Protocol
Text Telephone Typewriter
Universal Asynchronous Receiver Transmitter
User Equipment
Unsolicited Result Code
Universal Subscriber Identification Module
Universal Terrestrial Radio Access Network
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Revision Date Changes
7
8
9
10
11
12
13
14
2011-11-23 The present release supersedes all previous releases. The document has been reorganized in several parts.
2012-02-14 Modified chapter 4.1.1
2012-03-12 Updated
Applicability table and Tab. 4 chapters: 3.6, 2.1, 2.16, 2.5, 3.2, 3.5.1, 2.10.5, 1.4, 2.11.5, 2.1
0.6
2012-03-26 Added GE910-QUAD to applicability table
Added notes on the AT commands covered table at pag.3
2012-07-03 Updated notes about the GE910-QUAD (13.00.xx2).
Rearrangement of the Hand Set and Hand Path Commands chapters.
Updated Applicability Table
Rearrangement of the chapter 2.11.7
2013-02-07 Updated Applicability Table: dropped out products having software version: 07.xx.xxx, added products GL865-DUAL V3 and GL868-DUAL V3 (16.xx.xxx); updated software versions of the products.
Review of the chapters: 2, 2.1, 2.5, 2.6, 2.10.6, 2.11.7.1, 2.12.2, 2.16, 3.5.1,
3.6, 3.7.4, 3.8.1.
Added chapter: 2.12.11.
2013-02-14 Added a note about GE910-QUAD in chapter 2.1..
2013-09-11 Products added:
GE910-GNSS/13.00.xx4
GE910-QUAD V3/16.00.xx3
UE910-EUR/12.00.xx4
UE910-EUD/12.00.xx4
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Revision
15
Date Changes
UE910-NAR/12.00.xx4
UE910-NAD/12.00.xx4
GL865-DUAL V3/16.00.xx2
GL865-QUAD V3/16.00.xx3
GL868-DUAL V3/16.00.xx2
2014-03-06 Products added:
GE910-QUAD AUTO / 13.00.xx4
GE866-QUAD / 16.00.xx3
UL865-EUR/EUD / 12.00.xx4
UL865-NAR/NAD / 12.00.xx4
UL865-N3G / 12.00.xx4
16
17
18
19
2014-09-09 Chapter 3.6: added CFUN 10, and 11
2015-02-24 Chapter 3.6: added a note about transition from CFUN 10/11 to
CFUN 1
2015-05-08 Products added:
UE910
– N3G / 12.00.xx6
UE866
– N3G / 12.00.xx6
HE910
– GL / 12.00.xx6
Product removed:
HE910
– GA / 12.00.xx4
Chapter 2.5: added the baud rate 230400, 460800, 921600 for
3G modules.
2017-01-25 A new document format has been used and the entire document has been revised.
Power Saving chapter has been modified.
TCP/IP chapter (focusing on Default/Dedicated EPS Bearers,
LE910 V2 series modules) has been added.
Firmware Update Tool chapter has been updated.
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Mod. 0815
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