Cisco Unified Wireless IP Phone 7921G
More Features, Better Voice Quality

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Cisco Unified Wireless IP Phone 7921G:

Extend advanced voice and unified communications capabilities across your enterprise with the new Cisco Unified Wireless IP Phone 7921G. This sleek, second-generation wireless IP phone supports a host of calling features and voice-quality enhancements, including:

IEEE 802.11a, b, and g standards that allow customers to use the phone in the 2.4 GHz or 5 GHz bands
A larger (2-inch) color display (176 X 220 TFT) that is easier to read and enhances XML applications
Built-in speakerphone capabilities
More intuitive interface
A new combination charger and speakerphone stand for enhanced desktop functionality
Dedicated mute and volume keys, and separate Application button that can support Push-to-Talk via Extensible Markup Language (XML)
Longer battery life (200 hours standby time or 15.5 hours talk time)
High durability for all business environments
Exceptional voice quality with support for wideband audio
Diversity antenna for better RF coverage
Support for wide range of enterprise applications through XML
Wireless security features including LEAP, PEAP, EAP-FAST, EAP-TLS, WPA, WPA2, CCKM, WEP, TKIP/MIC, AES
Voice security features including Certificates, Secure Real-Time Protocol (SRTP), and Transport Layer Security (TLS)
Support for Wavelink Avalanche
Quality of service features including WMM, TSPEC, EDCA, QBSS

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.

Features and Benefits:

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.

Feature	Description
Features	Six line appearances Abbreviated dialing Adjustable ringing and volume levels Adjustable display brightness and timeout Any-key answer Audible and vibrating ringers Auto-answer Auto-detection of headset and auto-answer from headset Automatic keypad lock Barge Callback 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
Buttons	Two soft-key buttons to access screen-based applications, features, and functions Application button that can support push-to-talk using XML Mute Speakerphone Five-way navigation support Volume control Send button and Power/End button
Display	2 in. (5 cm) color display with 176 x 220 pixel resolution
LED	Ring, message waiting, and charging LED
Protocol support	Skinny Client Control Protocol (SCCP) Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.1, 6.0, 6.1, 7.0 and later Cisco Unified Communications Manager Express Version 4.3 and later Cisco Unified Survivable Remote Site Telephony (SRST) Version 4.3 and later
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 static configuration 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	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
Provisioning and management	Web server for configuration and statistics Capability to disable local phone settings 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)
Deployment tools	Integrated site survey tool
Language support	Catalan, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Norwegian, Portuguese, Spanish, and Swedish

Technical Specifications:

Cisco Unified Wireless IP Phone 7921G fornt

Cisco Unified Wireless IP Phone 7921G rear

Cisco Unified Wireless IP Phones 7921G Specifications:
Product Specifications:
Dimensions (H x W x D)	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)
Weight	Phone with standard battery: 5 oz (145 g) Desktop charger: 12.9 oz (365 g)
Battery	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
Input Power	Phone: 100 to 240 VAC, ~0.2A, and 50 to 60 Hz Desktop charger: 100-240 VAC, ~0.3 A, 50-60 Hz AC adapters (by geographical region)
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, and 10-minute dwell on three major peaks in each of the three major mutually perpendicular axes
Thermal shock	-22°F (-30°C) 24 hours; 158°F (70°C) 24 hours
Altitude	Certified for operation: 0 to 6500 ft (0 to 2 km)
Headset jack	2.5 mm (four conductor tri-band)
Connector	USB 1.1 master and slave
Material	Latex free and lead free
Temperature Ratings:
Operating temperature	32 to 104°F (0 to 40°C)
Relative humidity	10 to 95% (noncondensing)
Storage temperature	-22 to 140°F (-30 to 60°C)
Certification:
Safety	UL 60950 CAN/CSA-C22.2 No. 60950 EN 60950 IEC 60950 ACA TS 001 AS/NZS 60950
Electromagnetic compatibility (EMC)	FCC Part 15 (CFR 47) Class B ICES-003 Class B EN 55022 Class B CISPR22 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
Telecom	FCC Part 68 (CFR) (HAC) CS-03 (HAC) PTC 220/06/098 (2003, New Zealand) AS/ACIF S004 and AS/ACIF S040 (Australia)
Radio	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) RSS-102 ACA Radio Communications (Electromagnetic Radiation - Human Exposure) Standard 2003 EN 50360
Wireless Characteristics:
Protocol	IEEE 802.11a, 802.11b, and 802.11g
Frequency band and operating channels	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 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 uses 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: -91 dBm 9 Mbps: -90 dBm 12 Mbps: -88 dBm 18 Mbps: -86 dBm 24 Mbps: -82 dBm 36 Mbps: -80 dBm 48 Mbps: -77 dBm 54 Mbps: -75 dBm	IEEE 802.11b: 1 Mbps: -96 dBm 2 Mbps: -95 dBm 5.5 Mbps: -90 dBm 11 Mbps: -87 dBm	v802.11g: 6 Mbps: -91 dBm 9 Mbps: -90 dBm 12 Mbps: -87 dBm 18 Mbps: -86 dBm 24 Mbps: -82 dBm 36 Mbps: -80 dBm 48 Mbps: -77 dBm 54 Mbps: -76 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)	IEEE 802.11a: 6 Mbps: 604ft (184 m) 9 Mbps: 604 ft (184 m) 12 Mbps: 551 ft (168 m) 18 Mbps: 545 ft (166 m) 24 Mbps: 512 ft (156 m) 36 Mbps: 420 ft (128 m) 48 Mbps: 322 ft (98 m) 54 Mbps: 289 ft (88 m)	IEEE 802.11b: 1 Mbps: 1,010 ft (308 m) 2 Mbps: 951 ft (290 m) 5.5 Mbps: 919 ft (280 m) 11 Mbps: 902 ft (275 m)	IEEE 802.11g: 6 Mbps: 709 ft (216 m) 9 Mbps: 650 ft (198 m) 12 Mbps: 623 ft (190 m) 18 Mbps: 623 ft (190 m) 24 Mbps: 623 ft (190 m) 36 Mbps: 495 ft (151 m) 48 Mbps: 413 ft (126 m) 54 Mbps: 394 ft (120 m)
	Ranges and actual throughput vary based on 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 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
Wireless security	Authentication: Cisco Wireless Security Suite IEEE 802.1X Lightweight Extensible Authentication Protocol (LEAP) Authentication Protected Extensible Authentication Protocol (PEAP) MS-CHAP Version 2 Extensible Authentication Protocol and Flexible Authentication with Secure Tunneling (EAP-FAST) Extensible Authentication Protocol and Transport Layer Security (EAP-TLS) Wi-Fi Protected Access (WPA) Versions 1 and 2: Personal and Enterprise Cisco Centralized Key Management (CKM)	Encryption: 40- and 128-bit static Wired Equivalent Privacy (WEP) Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC) Advanced Encryption Standard (AES)
QoS	IEEE 802.11e and 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 IEEE 802.11h
Power save mode	U-APSD Power Save Poll (PS-Poll)
Antenna	Vertical and horizontal antennas Antenna switched diversity (5-GHz band only)

Documentation:

Download the Cisco Unified Wireless IP Phone 7921G Datasheet (PDF).

Pricing Notes:

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.
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 Wireless IP Phone 7921G More Features, Better Voice Quality