SIM7020 Series_AT Command Manual_V1.05
OK
2.2.20 ATS95 Some PC Modem Driver Initial Setting to Enable Extended Result Codes
ATS25 Some PC Modem Driver Initial Setting to Enable Extended Result Codes
Read Command
ATS95?
Write Command
ATS95=<n>
Parameter Saving Mode
Response
<n>
OK
Response
OK
Some standard PC modem drivers will send this AT command to initialize the setting, but it is meaningless in the 3GPP standard. So we just return "OK" and no effect for the setting.
Parameters
<n> 0-255 Meaningless for the GSM, and GPRS/Packet
Domain setting.
AT&W_SAVE
- Max Response Time
Reference
Defined Values
<n>
Example
ATS95?
000
OK
ATS95=100
OK
0-255 Meaningless for the GSM, and GPRS/Packet Domain setting.
2.2.21 ATV TA Response Format
ATV TA Response Format www.simcom.com 35 / 331
SIM7020 Series_AT Command Manual_V1.05
Execution Command
ATV<value>
Response
This parameter setting determines the contents of the header and trailer transmitted with result codes and information responses.
When <value> =0
0
When <value> =1
OK
AT&W_SAVE
-
Parameter Saving Mode
Max Response Time
Reference
ATV1 ATV0 Description
OK
CONNECT
RING
NO CARRIER
ERROR
NO DIALTONE
BUSY
NO ANSWER
0
1
2
3
4
6
7
8
Acknowledges execution of a Command
A connection has been established; the DCE is moving from Command state to online data state
The DCE has detected an incoming call signal from network
The connection has been terminated or the attempt to establish a connection failed
Command not recognized, Command line maximum length exceeded, parameter value invalid, or other problem with processing the Command line
No dial tone detected
Engaged (busy) signal detected
"@" (Wait for Quiet Answer) dial modifier was used, but remote ringing followed by five seconds of silence was not detected before expiration of the connection timer
(S7)
An AT command is being processed PROCEEDING 9
CONNECT <text> Manufacturer-specific Same as CONNECT, but includes manufacturer-specific text that may specify DTE speed, line speed, error control, data compression, or other status
Defined Values
<value> 0 Information response: <text><CR><LF>
Short result code format: <numeric code><CR>
1 Information response: <CR><LF><text><CR><LF>
Long result code format: <CR><LF><verbose code><CR><LF>
The result codes, their numeric equivalents and brief descriptions of the use of each are listed in the following table. www.simcom.com 36 / 331
