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Cisco Unified Wireless IP Phone 7921G - Battery/Power supply not included

Model: CP-7921G-W-K9= Ask a question about this item

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$1495.50incl gst

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Delivery Timeframe

  • Auckland
    1 Day
  • North island
    1-2 Days
  • South island
    1-3 Days

Product Description:

Cisco Unified Wireless IP Phone 7921G - Battery/Power supply not included

Cisco Unified Wireless IP Phone 7921G - Battery/Power supply not included

Product Overview

Cisco Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, and more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating in which 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 Cisco Unified Communications extends throughout the enterprise with a powerful, converged wireless solution with intelligent wireless infrastructure and an innovative product: the new Cisco Unified Wireless IP Phone 7921G. The device delivers on-campus mobility to users using the voice-over-wireless LAN.


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, delivering wideband audio capabilities. In addition to wideband audio, Cisco Unified Wireless IP Phone 7921G supports presence, which enables users in a mobile Wi-Fi environment to view the current status of other users. Because the Cisco Unified Wireless IP Phone 7921G is designed to grow with system capabilities, features will keep pace with new system enhancements.

6 line appearances
Abbreviated dialing
Adjustable ringing and volume levels
Adjustable display brightness and timeout
Any-key answer
Audible and vibrating ringers
Autodetection of headset and autoanswer from headset
Automatic keypad lock
Call forward
Call history lists
Call park
Call pickup
Call timer
Call waiting
Caller ID
Corporate directory
Direct transfer
Extension mobility service
Fast-dial service
Group call pickup
Hotkey for keypad lock, vibration and ring toggle, and voicemail access
Immediate divert
Last-number redial
Malicious-caller ID
Message-waiting indicator
Meet-me conference
Multilevel precedence and preemption (MLPP)
Music on hold (MoH)
Network profiles (automatic)
On- and off-network distinctive ringing
Personal directory
Predialing before sending
Quality report tool (QRT)
Ring tone per line appearance
Service URL
Shared line
Time and date display

Two soft-key buttons to access screen-based applications, features, and functions
Application button that can support push-to-talk using XML
5-way navigation support
Volume control
Send button and power and end button

2 in. (5 cm) color display with 176 x 220-pixel resolution

Ring, message waiting, and charging LED

Protocol support
Skinny Client Control Protocol (SCCP)
Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.0, 5.1, 6.0, 6.1, 7.0, 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

Codec support
G.711a, G.711u, G.729a, G.729ab, G.722, and iLBC audio compression codecs

Configuration options
Dynamic Host Configuration Protocol (DHCP) client or statically configured
Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP)
Domain Name System (DNS)

Network features
Cisco Discovery Protocol
Transparent secure roaming
Provisioning of network parameters through DHCP

Security features
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

Provisioning and management
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
Wavelink Avalanche (

Deployment tools
Integrated site survey tool

Language support
Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, and Swedish

Wireless Characteristics

Network standard:
IEEE 802.11a, 802.11b, and 802.11g

Frequency band and operating channels:
FCC: (-A)
2.412-2.462 GHz; 11 channels
5.180-5.240 GHz Unlicensed National Information Infrastructure (UNII-1); 4 channels
5.260-5.320 GHz (UNII-2); 4 channels
5.500-5.700 GHz; (UNII-2 Extended); 8 channels
5.745-5.805 GHz (UNII-3); 4 channels
ETSI: (-E)
2.412-2.472 GHz; 13 channels
5.180-5.700 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)
5.180-5.700 GHz; 19 channels
Rest of world: (-W)
Uses IEEE 802.11d to identify band ranges and channels

Support mode
IEEE 802.11a
IEEE 802.11b/g
Autosensing; IEEE 802.11b/g preferred over IEEE 802.11a
Autosensing; IEEE 802.11a preferred over IEEE 802.11b/g
Received signal strength indicator (RSSI) (default)

Data rates
IEEE 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
IEEE 802.11b: 1, 2, 5.5, and 11 Mbps
IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps

Nonoverlapping channels
IEEE 802.11a: Up to 23 (including radar channels)
IEEE 802.11b/g: 3 (Japan can use 4)

Wireless modulation
IEEE 802.11a: OFDM
IEEE 802.11b: Direct sequence spread spectrum (DSSS)
IEEE 802.11g: OFDM and DSSS

Receiver sensitivity (typical)
IEEE 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
IEEE 802.11b:
1 Mbps: -95 dBm
2 Mbps: -89 dBm
5.5 Mbps: -89 dBm
11 Mbps: -85 dBm
IEEE 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

Transmitter output power
IEEE 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)
IEEE 802.11b CCK:
50 mW (17 dBm)
20 mW (13 dBm)
8 mW (9 dBm)
3.2 mW (5 dBm)
1 mW (0 dBm)
IEEE 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)

Range (stated ranges are from measured open-site range testing) Security features
IEEE 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)
IEEE 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)
IEEE 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.

Access Point support
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 1140 Series 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
Version or later recommended
Cisco IOS Software Access Points (Autonomous), Release 12.3(8)JEA or later
Version 12.3(4g)JA1 or later recommended (applies to Cisco Aironet 1130 AG and 1240 AG Access Points and Cisco Aironet 1250 Series only)

Wireless security
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)
40- and 128-bit static Wired Equivalent Privacy (WEP)
Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC)
Advanced Encryption Standard (AES)

IEEE 802.11e/Wi-Fi Multimedia (WMM)
Traffic Specification (TSPEC)
Enhanced Distributed Channel Access (EDCA)
QoS Basic Service Set (QBSS)

Radar detection
Dynamic frequency selection (DFS) and transmit power control (TPC) according to 802.11h

Power save mode
Power Save Poll (PS-Poll)

Vertical and horizontal antennas
Antenna switched diversity (5-GHz band only)


Dimensions (H x W x D): Phone: 12.7 x 5.3 x 2.5 cm ; Desktop charger: 8.6 x 12.2 x 13 cm
Weight: Phone with standard battery: 145g
Battery: Standard lithium-ion (Li-ion) battery life: up to 11.5 hours talk time and 150 hours standby (Release 1.0.4 or later). Actual battery life varies based on environmental factors
Input Power: Phone: 100-240 VAC, ~0.2 A, 50 to 60 Hz ; Desktop charger: 100 to 240 VAC, ~0.3 A, 50 to 60 Hz ; AC adapters (by geographical region)
Operating temperature: 0 to 40C
Storage temperature: -30 to 60C
Relative humidity: 10 to 95% (noncondensing)
Vibration: 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 3 major peaks, in each of the 3 major mutually perpendicular axes
Thermal shock: -30C 24 hours; 70C 24 hours
Altitude: Certified for operation: 0 to 6,500 ft (0 to 2 km)
Headset jack: 2.5 mm (4 conductor tri-band)
Connector: USB 1.1 master and slave
Material: Latex free and lead free


UL 60950
CSA 22.2 No.60950
EN 60950
IEC 60950
ACA TS 001
AS/NZS 60950

Electromagnetic compatibility/electromagnetic interference (EMC/EMI)
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

RF exposure
OET-65C (01-01)
ANSI C95.1 (91)
ACA Radio communications (Electromagnetic Radiation-Human Exposure)
Standard 2003
EN 50360


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Additional Details:

  • Stock Availability: Out of Stock!
  • Warranty: 1 Year
  • Manufacturer: Cisco Shop
  • Product Found In: IP Phones
  • Model Number: CP-7921G-W-K9=
  • Part Number: t16980