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
|
Features |
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
• 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 |
|
Buttons |
• 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 |
|
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, 5.0, 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) |
|
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 |
• 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
• 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
|
|
Deployment tools |
Integrated site survey tool |
|
Language support |
Catalan, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Norwegian, Portuguese, Spanish, and Swedish |
Table 2. Wireless Characteristics
|
Item |
Description |
|
Network standard |
IEEE 802.11a, 802.11b, and 802.11g |
|
Frequency band and operating channels |
• FCC: (-A)
• 2.412-2.462 GHz; 11 channels
• 5.15-5.25 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 |
|
Support mode |
• 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) |
|
Data rates |
• 802.11a:
• 6, 9, 12, 18, 24, 36, 48, and 54 Mbps |
• 802.11b:
• 1, 2, 5.5, and 11 Mbps |
• 802.11g:
• 6, 9, 12, 18, 24, 36, 48, and 54 Mbps |
|
Nonoverlapping channels |
• 802.11a: Up to 23 (including radar channels)
• 802.11b/g: 3 (Japan uses 4) |
|
Wireless modulation |
• 802.11a: OFDM
• 802.11b: Direct sequence spread spectrum (DSSS)
• 802.11g: OFDM and DSSS |
|
Receiver sensitivity
(typical) |
• 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 |
• 802.11g:
• 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 |
• 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) |
• 802.11b CCK:
• 50 mW (17 dBm)
• 20 mW (13 dBm)
• 8 mW (9 dBm)
• 3.2 mW (5 dBm)
• 1 mW (0 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) |
|
Range
(stated ranges are from measured open-site range testing) |
• 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:
• 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 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 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 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) |
• 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 |
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 |
• U-APSD
• Power Save Poll (PS-Poll) |
|
Antenna |
• Vertical and horizontal antennas
• Antenna switched diversity (5-GHz band only) |
Table 3. Specifications
|
Item |
Description |
|
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: 100-240 VAC, ~0.2 A, 50-60 Hz
• Desktop charger: 100-240 VAC, ~0.3 A, 50-60 Hz
• AC adapters (by geographical region) |
|
Operating temperature |
32 to 104°F (0 to 40°C) |
|
Storage temperature |
-22 to 140°F (-30 to 60°C) |
|
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 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 6,500 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 |
Table 4. Accessories
|
Item |
Description |
|
Accessories |
• Desktop charger with speakerphone (Not available in Brazil)
• Multi-charger
• Leather carry case with bungee cord
• Holster carry case
• Shoulder strap for leather carry case
• Lock set for phone
• Phone to A-type 48 in. (1.2 m) USB cable |
Table 5. Certification and Compliance
|
Item |
Description |
|
Safety |
• 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 |
|
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 Radiocommunications (Electromagnetic Radiation-Human Exposure)
Standard 2003
• EN 50360 |
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 |
Description |
|
CP-7921G-A-K9 |
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 |
|
CP-7921G-A-K9= |
Cisco Unified Wireless IP Phone 7921G FCC; Battery/Power Supply Not Included |
|
CP-7921G-E-K9 |
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 |
|
CP-7921G-E-K9= |
Cisco Unified Wireless IP Phone 7921G ETSI; Battery/Power Supply Not Included |
|
CP-7921G-P-K9 |
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 |
|
CP-7921G-P-K9= |
Cisco Unified Wireless IP Phone 7921G Japan; Battery/Power Supply Not Included |
|
CP-7921G-W-K9 |
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 |
|
CP-7921G-W-K9= |
Cisco Unified Wireless IP Phone 7921G Rest of World; Battery/Power Supply Not Included |
|
CP-7921G-AC-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified Communications Manager User License; Battery/Power Supply Not Included |
|
CP-7921G-EC-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified Communications Manager User License; Battery/Power Supply Not Included |
|
CP-7921G-PC-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified Communications Manager User License; Battery/Power Supply Not Included |
|
CP-7921G-WC-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified Communications Manager User License; Battery/Power Supply Not Included |
|
CP-7921G-AE-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified Communications Manager Express User License; Battery/Power Supply Not Included |
|
CP-7921G-EE-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified Communications Manager Express User License; Battery/Power Supply Not Included |
|
CP-7921G-PE-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified Communications Manager Express User License; Battery/Power Supply Not Included |
|
CP-7921G-WE-CH1-K9 |
Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified Communications Manager Express User License; Battery/Power Supply Not Included |
|
SW-CCM-UL-7921G |
Cisco Unified Communications Manager User License for single Cisco Unified Wireless IP Phone 7921G |
|
SW-CCME-UL-7921G |
Cisco Unified Communications Manager Express User License for single Cisco Unified Wireless IP Phone 7921G |
|
SW-CCM-UL-7921G= |
Cisco Unified Communications Manager User License for single Cisco Unified Wireless IP Phone 7921G |
|
SW-CCME-UL-7921G= |
Cisco Unified Communications Manager Express User License for single Cisco Unified Wireless IP Phone 7921G |
Accessories
Table 7. Optional Accessories Ordering Information
|
Part Number |
Description |
|
CP-BATT-7921G-STD= |
Cisco Unified Wireless IP Phone 7921G Battery, Standard |
|
CP-BATT-7921G-EXT= |
Cisco Unified Wireless IP Phone 7921G Battery, Extended |
|
CP-CASE-7921G= |
Cisco Unified Wireless IP Phone 7921G Leather Carry Case |
|
CP-SHOULDER-7921G= |
Cisco Unified Wireless IP Phone 7921G Shoulder Strap For Leather Carry Case |
|
CP-HOLSTER-7921G= |
Cisco Unified Wireless IP Phone 7921G Holster Carry Case |
|
CP-LOCK-7921G= |
Cisco Unified Wireless IP Phone 7921G Lock Set |
|
CP-CAB-USB-7921G= |
Cisco Unified Wireless IP Phone 7921G to A-type USB Cable |
|
CP-DSKCH-7921G-BUN |
Cisco Unified Wireless IP Phone 7921G Desktop Charger, Power Supply |
|
CP-DSKCH-7921G= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Spare |
|
CP-MCHGR-7921G-BUN |
Cisco Unified Wireless IP Phone 7921G Multi-Charger, Power Supply, AC Power Cord |
|
CP-MCHGR-7921G= |
Cisco Unified Wireless IP Phone 7921G Multi-Charger Spare |
|
CP-PWR-MC7921G= |
Cisco Unified Wireless IP Phone 7921G Multi-Charger Power Supply Spare |
|
CP-PWR-7921G-AU= |
Cisco Unified Wireless IP Phone 7921G Power Supply for Australia (not required when using Desktop Charger) |
|
CP-PWR-7921G-CE= |
Cisco Unified Wireless IP Phone 7921G Power Supply for Central Europe (not required when using Desktop Charger) |
|
CP-PWR-7921G-JP= |
Cisco Unified Wireless IP Phone 7921G Power Supply for Japan (not required when using Desktop Charger) |
|
CP-PWR-7921G-NA= |
Cisco Unified Wireless IP Phone 7921G Power Supply for North America (not required when using Desktop Charger) |
|
CP-PWR-7921G-UK= |
Cisco Unified Wireless IP Phone 7921G Power Supply for United Kingdom (not required when using Desktop Charger) |
|
CP-PWR-7921G-CN= |
Cisco Unified Wireless IP Phone 7921G Power Supply for China (not required when using Desktop Charger) |
|
CP-PWR-DC7921G-AU= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Australia Spare |
|
CP-PWR-DC7921G-CE= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Central Europe Spare |
|
CP-PWR-DC7921G-JP= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for Japan Spare |
|
CP-PWR-DC7921G-NA= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for North America Spare |
|
CP-PWR-DC7921G-UK= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for United Kingdom Spare |
|
CP-PWR-DC7921G-CN= |
Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply for China Spare |
|
CAB-AC2AUS= |
AC Power Cord Australia for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
CAB-AC2E= |
AC Power Cord Europe for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
CAB-AC2J= |
AC Power Cord Japan for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
CAB-AC2= |
AC Power Cord N. America for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
CAB-AC2UK= |
AC Power Cord United Kingdom for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
CAB-AC2CHI= |
AC Power Cord China for Cisco Unified Wireless IP Phone 7920/7921G Multi-Charger Spare |
|
