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Data Sheet
Cisco Unified Wireless IP Phone 7921G
Cisco
®
Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating-where your business moves with you, security is everywhere, and information is always available...whenever and wherever it is needed. Cisco Unified Communications is part of an integrated solution that includes network infrastructure, security, mobility, network management products, lifecycle services, flexible deployment and outsourced management options, end-user and partner financing packages, and third-party communications applications.
The power of the Cisco Unified Communications family of products extends throughout the enterprise by delivering a powerful, converged wireless solution with intelligent wireless infrastructure and an innovative product with the new Cisco Unified Wireless IP Phone 7921G
(Figure 1). The device delivers on-campus mobility to users using the voice over wireless LAN.
Figure 1. Cisco Unified Wireless IP Phone 7921G
Features
The Cisco Unified Wireless IP Phone 7921G supports a host of calling features and voice-quality enhancements. The device is an advanced media IP phone i.e. delivers wideband audio capabilities. Besides wideband audio, Cisco Unified Wireless IP Phone 7921G also supports presence which enables indication on the current status of other parties to users in a mobile WiFi environment. Because the Cisco Unified Wireless IP Phone 7921G is designed to grow with system capabilities, features will keep pace with new system enhancements. Table 1 provides a list of the features, Table 2 summarizes wireless characteristics, Table 3 lists specifications, Table
4 lists accessories, and Table 5 provides certification and compliance information.
Table 1. Features
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 1 of 9
Data Sheet
Features
Features
Buttons
Display
LED
Description
● Six line appearances
● Abbreviated dialing
● Adjustable ringing and volume levels
● Adjustable display brightness and timeout
● Any-key answer
● Audible and vibrating ringers
● Auto answer
● Autodetection of headset and autoanswer from headset
● Automatic keypad lock
● Barge
● Call back
● Call forward
● Call history lists
● Call park
● Call pickup
● Call timer
● Call waiting
● Caller ID
● cBarge
● Corporate directory
● Conference
● Direct transfer
● Extension mobility service
● Fast dial service
● Group call pickup
● Hold
● Hotkey for keypad lock, vibration and ring toggle, and voicemail access
● Immediate divert
● Join
● Last number redial
● Malicious caller ID
● Message waiting indicator
● Meet-me conference
● Multilevel precedence and preemption (MLPP)
● Music on hold
● Mute
● Network profiles (automatic)
● On- and off-network distinctive ringing
● OPickUp
● Personal directory
● Predialing before sending
● Privacy
● Quality report tool (QRT)
● Redial
● Ring tone per line appearance
● Service URL
● Shared line
● Time and date display
● Transfer
● Two soft key buttons to access screen-based applications, features, and functions
● Application button that can support Push-to-talk via XML
● Mute
● Speakerphone
● Five-way navigation support
● Volume control
● Send button and Power/End button
2 in. (5 cm) color display with 176 x 220 pixel resolution
Ring, message waiting, and charging LED
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 9
Data Sheet
Protocol support
Codec support
Configuration options
Network features
Security features
Provisioning and management
Deployment tools
Language support
● Skinny Client Control Protocol (SCCP)
● Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.0, and later
● Cisco Unified Communications Manager Express Version 4.1 and later
● Cisco Unified Survivable Remote Site Telephony (SRST) Version 4.1 and later
● Cisco Compatible Extensions Version 4.0
● Extensible markup language (XML)
G.711a, G.711u, G.729a, G.729ab, G.722, and iLBC audio compression codecs
● Dynamic Host Configuration Protocol (DHCP) client or statically configured
● Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP)
● Domain Name System (DNS)
● Cisco Discovery Protocol
● Transparent secure roaming
● Provisioning of network parameters through DHCP
● Certificates
● Image authentication
● Device authentication
● File authentication
● Signaling authentication
● Secure Cisco Unified SRST
● Media encryption using Secure Real-Time Protocol (SRTP)
● Signaling encryption using Transport Layer Security (TLS) Protocol
● Certificate authority proxy function (CAPF)
● Secure profiles
● Encrypted configuration files
● Web server for configuration and statistics
● Capability to disable local phone settings
● Quality-of-service (QoS) reporting: jitter, delay, dropped packets, and latency on a per-call basis
● Real Time Control Protocol (RTCP) support and monitoring
● Syslog
● Wavelink ®
Avalanche™ ( http://www.wavelink.com
)
Integrated site survey tool
Catalan, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Norwegian,
Portuguese, Spanish, and Swedish
Table 2. Wireless Characteristics
Item
Network standard
Frequency band and operating channels
Support mode
Description
IEEE 802.11a, 802.11b, and 802.11g
● FCC: (-A)
● 2.412-2.462 GHz; 11 channels
● 5.15-5.25 GHz Unlicensed National Information Infrastructure (UNII-1), 5.25-5.35 GHz
(UNII-2), and 5.725-5.825 GHz (UNII-3); 12 channels
● 5. 47-5.725 GHz; 11 channels
● ETSI: (-E)
● 2.412-2.472 GHz; 13 channels
● 5.15-5.725 GHz; 19 channels
● Japan : (-P)
● 2.412-2.472 GHz; 13 channels Orthogonal Frequency Division Multiplexing (OFDM)
● 2.412-2.484 GHz; 14 channels Complementary Code Keying (CCK)
● 5.15-5.725 GHz; 19 channels
● Rest of World: (-W)
● Uses 802.11d to identify band ranges and channels
● 802.11a
● 802.11b/g
● Autosensing, 802.11b/g preferred over 802.11a
● Autosensing, 802.11a preferred over 802.11b/g
● Received signal strength indicator (RSSI) (default)
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 3 of 9
Data Sheet
Data rates
Nonoverlapping channels
Wireless modulation
Receiver sensitivity
(typical)
Transmitter output power
Range
(stated ranges are from measured open-site range testing)
Access Point support
● 802.11a:
● 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
●
●
802.11b:
1, 2, 5.5, and 11 Mbps
● 802.11a: Up to 23 (including radar channels)
● 802.11b/g: 3 (Japan uses 4)
● 802.11a: OFDM
● 802.11b: Direct sequence spread spectrum (DSSS)
● 802.11g: OFDM and DSSS
●
●
●
●
802.11a:
6 Mbps: -89 dBm
9 Mbps: -88 dBm
12 Mbps: -86 dBm
● 18 Mbps: -85 dBm
● 24 Mbps: -82 dBm
● 36 Mbps: -80 dBm
● 48 Mbps: -76 dBm
● 54 Mbps: -74 dBm
● 802.11b:
● 1 Mbps: -95 dBm
● 2 Mbps: -89 dBm
● 5.5 Mbps: -89 dBm
● 11 Mbps: -85 dBm
● 802.11a OFDM:
● 40 mW (16 dBm)
● 32 mW (15 dBm)
● 20 mW (13 dBm)
● 8 mW (9 dBm)
● 3.2 mW (5 dBm)
● 1 mW (0 dBm)
● 802.11a:
● 6 Mbps: 610 ft (186 m)
● 9 Mbps: 610 ft (186 m)
● 12 Mbps: 558 ft
(170 m)
● 18 Mbps: 541 ft
(165 m)
● 24 Mbps: 508 ft
(155 m)
● 36 Mbps: 426 ft
(130 m)
● 48 Mbps: 328 ft
(100 m)
● 54 Mbps: 295 ft (90 m)
● 802.11b CCK:
● 50 mW (17 dBm)
● 20 mW (13 dBm)
● 8 mW (9 dBm)
● 3.2 mW (5 dBm)
● 1 mW (0 dBm)
● 802.11b:
● 1 Mbps: 1,027 ft
(313 m)
● 2 Mbps: 951 ft (290 m)
● 5.5 Mbps: 853 ft
(260 m)
● 11 Mbps: 787 ft
(240 m)
● 802.11g:
● 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
● 802.11g:
● 6 Mbps: -90 dBm
● 9 Mbps: -89 dBm
● 12 Mbps: -87 dBm
● 18 Mbps: -85 dBm
● 24 Mbps: -82 dBm
● 36 Mbps: -78 dBm
● 48 Mbps: -74 dBm
● 54 Mbps: -73 dBm
● 802.11g OFDM:
● 40 mW (16 dBm)
● 32 mW (15 dBm)
● 20 mW (13 dBm)
● 8 mW (9 dBm)
● 3.2 mW (5 dBm)
● 1 mW (0 dBm)
● 802.11g:
● 6 Mbps: 722 ft (220 m)
● 9 Mbps: 656 ft (200 m)
● 12 Mbps: 623 ft
(190 m)
● 18 Mbps: 623 ft
(190 m)
● 24 Mbps: 623 ft
(190 m)
● 36 Mbps: 492 ft
(150 m)
● 48 Mbps: 410 ft
(125 m)
● 54 Mbps: 394 ft
(120 m)
Ranges and actual throughput vary based upon numerous environmental factors so individual performance may differ.
● Cisco Aironet
®
350 Series Access Point
● Cisco Aironet 1000 Series Lightweight
Access Point
● Cisco Aironet 1100 Series Access Point
● Cisco Aironet 1130 AG Access Point
● Cisco Aironet 1200 Series Access Point
● Cisco Aironet 1240 AG Access Point
● Cisco Aironet 1300 Series Access Point
Required versions:
● Cisco Wireless LAN Controller
(Lightweight) 4.0 or later
● Cisco IOS Access Points (Autonomous)
12.3(8)JEA or later
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 9
Data Sheet
Wireless security
QoS
Radar detection
Power save mode
Antenna
● Authentication:
● Cisco Wireless Security Suite IEEE
802.1X
● Lightweight Extensible Authentication
Protocol (LEAP) Authentication
● Protected Extensible Authentication
Protocol (PEAP) MS-CHAP v2
● Extensible Authentication Protocol-
Flexible Authentication via Secure
Tunneling (EAP-FAST)
● Extensible Authentication Protocol-
Transport Layer Security (EAP-TLS)
● Wi-Fi Protected Access (WPA) Versions 1 and 2; Personal and Enterprise
● Cisco Centralized Key Management
(CCKM)
802.11e/Wi-Fi Multimedia (WMM)
● Traffic Specification (TSPEC)
● Enhanced Distributed Channel Access (EDCA)
● QoS Basic Service Set (QBSS)
● Encryption:
● 40- and 128-bit static Wired Equivalent
Privacy (WEP)
● Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC)
● Advanced Encryption Standard (AES)
Dynamic frequency selection (DFS) and transmit power control (TPC) according to 802.11h
● U-APSD
● Power Save Poll (PS-Poll)
● Vertical and horizontal antennas
● Antenna switched diversity (5-GHz band only)
Table 3. Specifications
Item
Dimensions (H x W x D)
Weight
Battery
Input Power
Operating temperature
Storage temperature
Relative humidity
Vibration
Thermal shock
Altitude
Headset jack
Connector
Material
Description
● Phone: 5.0 x 2.1 x 1.0 in. (12.7 x 5.3 x 2.5 cm)
● Desktop charger: 3.4 x 4.8 x 5.1 in. (8.6 x 12.2 x 13 cm)
● Phone with standard battery: 5 oz (145 g)
● Desktop charger: 12.9 oz (365 g)
● Standard lithium-ion (Li-ion) battery life: up to 11.5 hours talk time / 150 hours standby
(Release 1.0.4 or later)
● Extended Li-ion battery life: up to 15.5 hours talk time / 200 hours standby (Release 1.0.4 or later)
● Actual battery life varies based on environmental factors
● Phone: 100-240 VAC, ~0.2 A, 50-60 Hz
● Desktop charger: 100-240 VAC, ~0.3 A, 50-60 Hz
● AC adapters (by geographical region)
32 to 104°F (0 to 40°C)
-22 to 140°F (-30 to 60°C)
10 to 95% (noncondensing)
1.5 Grms maximum, 0.1 in. (2.5 mm) double amplitude at 0.887 octaves per minute from 5-
500-5 Hz sweep, 10-minute dwell on three major peaks, in each of the three major mutually perpendicular axes
-22°F (-30°C) 24 hours; 158°F (+70°C) 24 hours
Certified for operation: 0 to 6,500 ft (0 to 2 km)
2.5 mm (four conductor tri-band)
USB 1.1 master and slave
Latex free and lead free
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 5 of 9
Data Sheet
Table 4. Accessories
Item
Accessories
Description
● Desktop charger with speakerphone (Not available in Brazil)
● Multi-charger
● 2.5-mm headset from Plantronics ®
( http://www.plantronics.com
)
● Leather carry case with bungee cord
● Holster carry case
● Shoulder strap for leather carry case
● Silicon carry case from Zcover ®
( http://www.zcover.com
)
● Thermoformed heavy-duty polymer carry case from System Wear ®
( http://www.systemwear.com
)
● Lock set for phone
● Phone to A-type 48 in. (1.2 m) USB cable
Table 5. Certification and Compliance
Item
Safety
Electromagnetic compatibility/electromagnetic interference (EMC/EMI)
Telecom
Radio
RF exposure
Description
● UL 60950
● CSA 22.2 No.60950
● EN 60950
● IEC 60950
● ACA TS 001
● AS/NZS 60950
● CFR 47 Part 15 Class B
● ICES-003 Class B
● EN 55022 Class B
● CISPR 22 Class B
● VCCI Class B
● CISPR22 Class B
● EN 55024
● EN 50082-1
● EN 61000-6-1
● EN 301489-17
● EN 301489-1
● EN 61000-3-2
● EN 61000-3-3
● EN/IEC 60601-1-2
● FCC Part 68 (CFR) (HAC)
● CS-03 (HAC)
● PTC 220/06/098 (2003, New Zealand)
● AS/ACIF S004 and AS/ACIF S040 (Australia)
● USA: FCC Part 15.247 (2.4 GHz), FCC Part 15.407 (5 GHz), and FCC Part 2
(Software Defined Radio)
● Canada: RSS-210 Rev 5 (does not include 5.470-5.725 GHz band; RSS-210 Revision 6 in preparation)
● Japan: RCR STD-33 and ARIB STD-T66 (2.4 GHz), and ARIB STD-T70 and T71
(4.9/5 GHz)
● ETSI : EN 300.328 (2.4 GHz) and EN 301.893 (5 GHz)
● Australia and New Zealand: AS/NZS 4268
● Singapore: IDA TS SRD
● Hong Kong: HKTA1039
● OET-65C (01-01)
● ANSI C95.1 (91)
● RSS-102
● ACA Radiocommunications (Electromagnetic Radiation-Human Exposure)
Standard 2003
● EN 50360
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 6 of 9
Data Sheet
Ordering Information
Note: All Cisco Unified IP Phones require the purchase of a phone technology license, regardless of the call protocol being used. The Cisco Unified Wireless IP Phone 7921G is not approved for use in Argentina, Chile, Israel, and China.
Tables 6 and 7 provide ordering information for the Cisco Unified Wireless IP Phone 7921G.
Table 6. Product and License Ordering Information
Part Number
CP-7921G-A-K9
CP-7921G-A-K9=
CP-7921G-E-K9
CP-7921G-E-K9=
CP-7921G-P-K9
CP-7921G-P-K9=
CP-7921G-W-K9
CP-7921G-W-K9=
CP-7921G-AC-CH1-K9
CP-7921G-EC-CH1-K9
CP-7921G-PC-CH1-K9
CP-7921G-WC-CH1-K9
CP-7921G-AE-CH1-K9
CP-7921G-EE-CH1-K9
CP-7921G-PE-CH1-K9
CP-7921G-WE-CH1-K9
SW-CCM-UL-7921G
SW-CCME-UL-7921G
SW-CCM-UL-7921G=
SW-CCME-UL-7921G=
Description
Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified Communications Manager and
Cisco Unified Communications Manager Express User License Required; Battery/Power
Supply Not Included
Cisco Unified Wireless IP Phone 7921G FCC; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified Communications Manager and
Cisco Unified Communications Manager Express User License Required; Battery/Power
Supply Not Included
Cisco Unified Wireless IP Phone 7921G ETSI; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified Communications Manager and
Cisco Unified Communications Manager Express User License Required; Battery/Power
Supply Not Included
Cisco Unified Wireless IP Phone 7921G Japan; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified Communications
Manager and Cisco Unified Communications Manager Express User License Required;
Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Rest of World; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified Communications Manager User
License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified Communications Manager User
License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified Communications Manager User
License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified Communications
Manager User License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified Communications Manager
Express User License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified Communications Manager
Express User License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified Communications Manager
Express User License; Battery/Power Supply Not Included
Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified Communications
Manager Express User License; Battery/Power Supply Not Included
Cisco Unified Communications Manager User License for single Cisco Unified Wireless IP
Phone 7921G
Cisco Unified Communications Manager Express User License for single Cisco Unified
Wireless IP Phone 7921G
Cisco Unified Communications Manager User License for single Cisco Unified Wireless IP
Phone 7921G
Cisco Unified Communications Manager Express User License for single Cisco Unified
Wireless IP Phone 7921G
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 7 of 9
Data Sheet
Accessories
Table 7. Optional Accessories Ordering Information
Part Number
CP-BATT-7921G-STD=
CP-BATT-7921G-EXT=
CP-CASE-7921G=
CP-SHOULDER-7921G=
CP-HOLSTER-7921G=
CP-LOCK-7921G=
CP-CAB-USB-7921G=
CP-DSKCH-7921G-BUN
CP-DSKCH-7921G=
CP-MCHGR-7921G-BUN
CP-MCHGR-7921G=
CP-PWR-MC7921G=
CP-PWR-7921G-AU=
CP-PWR-7921G-CE=
CP-PWR-7921G-JP=
CP-PWR-7921G-NA=
CP-PWR-7921G-UK=
CP-PWR-7921G-CN=
CP-PWR-DC7921G-AU=
CP-PWR-DC7921G-CE=
CP-PWR-DC7921G-JP=
CP-PWR-DC7921G-NA=
CP-PWR-DC7921G-UK=
CP-PWR-DC7921G-CN=
CAB-AC2AUS=
CAB-AC2E=
CAB-AC2J=
CAB-AC2=
CAB-AC2UK=
Description
Cisco Unified Wireless IP Phone 7921G Battery, Standard
Cisco Unified Wireless IP Phone 7921G Battery, Extended
Cisco Unified Wireless IP Phone 7921G Leather Carry Case
Cisco Unified Wireless IP Phone 7921G Shoulder Strap For Leather Carry Case
Cisco Unified Wireless IP Phone 7921G Holster Carry Case
Cisco Unified Wireless IP Phone 7921G Lock Set
Cisco Unified Wireless IP Phone 7921G to A-type USB Cable
Cisco Unified Wireless IP Phone 7921G Desktop Charger, Power Supply
Cisco Unified Wireless IP Phone 7921G Desktop Charger Spare
Cisco Unified Wireless IP Phone 7921G Multi-Charger, Power Supply, AC Power Cord
Cisco Unified Wireless IP Phone 7921G Multi-Charger Spare
Cisco Unified Wireless IP Phone 7921G Multi-Charger Power Supply Spare
Cisco Unified Wireless IP Phone 7921G Power Supply for Australia (not required when using
Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Power Supply for Central Europe (not required when using Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Power Supply for Japan (not required when using
Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Power Supply for North America (not required when using Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Power Supply for United Kingdom (not required when using Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Power Supply for China (not required when using
Desktop Charger)
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Australia Spare
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Central Europe
Spare
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Japan Spare
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for North America
Spare
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for United Kingdom
Spare
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for China Spare
AC Power Cord Australia for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger
Spare
AC Power Cord Europe for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare
AC Power Cord Japan for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare
AC Power Cord N. America for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger
Spare
AC Power Cord United Kingdom for Cisco Unified Wireless IP Phone 7920/7921G Multi-
Charger Spare
AC Power Cord China for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare CAB-AC2CHI=
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 9
Printed in USA
Data Sheet
Warranty
Cisco Unified IP Phones are covered by a Cisco Systems
®
standard one-year replacement warranty. A Cisco SMARTnet
®
optional service agreement is available for the Cisco Unified
Wireless IP Phone 7921G hardware, Desktop Charger, and Multi-Charger only, not for other accessories, such as batteries.
Note: This product is not a medical device and may use an unlicensed frequency band that is susceptible to interference from other devices or equipment.
Cisco Unified Communications Services and Support
Using the Cisco Lifecycle Services approach, Cisco and its partners offer a broad portfolio of endto-end services to support the Cisco Unified Communications system. These services are based on proven methodologies for deploying, operating, and optimizing IP communications solutions.
Initial planning and design services, for example, can help you meet aggressive deployment schedules and minimize network disruption during implementation. Operate services reduce the risk of communications downtime with expert technical support, and optimize services enhance solution performance for operational excellence. Cisco and its partners offer a system-level service and support approach that can help you create and maintain a resilient, converged network that meets your business needs.
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
C78-364023-04 1/08
Page 9 of 9
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