Cisco 7921G

Cisco® Unified Communications is a comprehensive IP communicationssystem of voice, video, data, and mobility products and applications. It enablesmore effective, more secure, more personal communications that directly affectboth sales and profitability. It brings people together by enabling a new wayof communicating-where your business moves with you, security is everywhere, and information is always available... whenever and wherever it is needed. CiscoUnified Communications is part of an integrated solution that includes networkinfrastructure, security, mobility, network management products, lifecycle services, flexible deployment and outsourced management options, end-user and partnerfinancing packages, and third-party communications applications.

The power of the Cisco Unified Communications family of products extends throughoutthe enterprise by delivering a powerful, converged wireless solution with intelligentwireless infrastructure and an innovative product with the new CiscoUnified Wireless IP Phone 7921G. The device delivers on-campus mobilityto users using the voice over wireless LAN.

Features
The Cisco Unified Wireless IP Phone 7921G supports a host ofcalling features and voice-quality enhancements. The device is an advanced mediaIP phone i. e. delivers wideband audio capabilities. Besides wideband audio, Cisco Unified Wireless IP Phone 7921G also supports presencewhich enables indication on the current status of other parties to users ina mobile WiFi environment. Because the Cisco Unified Wireless IP Phone7921G is designed to grow with system capabilities, features will keeppace with new system enhancements. Table 1 provides a list of the features, Table 2 summarizes wireless characteristics, Table 3 lists specifications, Table4 lists accessories, and Table 5 provides certification and compliance information.

 

Table 1. Features

FeaturesDescriptionFeaturesSix line appearances
Abbreviated dialing
Adjustable ringing and volume levels
Adjustable display brightnessand timeout
Any-key answer
Audible and vibratingringers
Auto answer
Autodetection of headset andautoanswer from headset
Automatic keypad lock
Barge
Call back
Call forward
Call history lists
Call park
Call pickup
Call timer
Call waiting
Caller ID
cBarge
Corporatedirectory
Conference
Direct transfer
Extension mobility service
Fast dial service
Groupcall pickup
Hold
Hotkey for keypad lock, vibrationand 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- andoff-network distinctive ringing
OPickUp
Personaldirectory
Predialing before sending
Privacy
Quality report tool (QRT)
Redial
Ring toneper line appearance
Service URL
Shared line
Time and date display
TransferButtonsTwo soft key buttons to access screen-based applications, features, and functions
Application button that can support Push-to-talkvia XML
Mute
Speakerphone
Five-way navigationsupport
Volume control
Send button and Power/EndbuttonDisplay2 in. (5 cm) color display with 176 x 220 pixel resolutionLEDRing, message waiting, and charging LEDProtocol supportSkinny Client Control Protocol (SCCP)
Cisco UnifiedCommunications 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 markuplanguage (XML)Codec supportG. 711a, G. 711u, G. 729a, G. 729ab, G. 722, and iLBC audio compression codecsConfiguration optionsDynamic Host Configuration Protocol (DHCP) client or staticallyconfigured
Support for online firmware upgrades using TrivialFile Transfer Protocol (TFTP)
Domain Name System (DNS)Network featuresCisco Discovery Protocol
Transparent secure roaming
Provisioning of network parameters through DHCPSecurity featuresCertificates
Image authentication
Deviceauthentication
File authentication
Signaling authentication
Secure Cisco Unified SRST
Media encryption using SecureReal-Time Protocol (SRTP)
Signaling encryption using TransportLayer Security (TLS) Protocol
Certificate authority proxy function(CAPF)
Secure profiles
Encrypted configuration filesProvisioning and managementWeb server for configuration and statistics
Capabilityto 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)Deployment toolsIntegrated site survey toolLanguage supportCatalan, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Norwegian, Portuguese, Spanish, and Swedish

 

Table 2. Wireless Characteristics

ItemDescriptionNetwork standardIEEE 802.11a, 802.11b, and 802.11gFrequency band and operating channelsFCC: (-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)
2.412-2.472GHz; 13 channels
5.15-5.725 GHz; 19 channels
Japan: (-P)
2.412-2.472 GHz; 13 channels Orthogonal Frequency DivisionMultiplexing (OFDM)
2.412-2.484 GHz; 14 channels ComplementaryCode Keying (CCK)
5.15-5.725 GHz; 19 channels
Restof World: (-W)
Uses 802.11d to identify band ranges and channelsSupport mode
802.11a
802.11b/g
Autosensing, 802.11b/g preferred over 802.11a
Autosensing, 802.11a preferredover 802.11b/g
Received signal strength indicator (RSSI) (default)Data rates802.11a:
6, 9, 12, 18, 24, 36, 48, and 54 Mbps802.11b:
1, 2, 5.5, and 11 Mbps802.11g:
6, 9, 12, 18, 24, 36, 48, and 54 MbpsNonoverlapping channels802.11a: Up to 23 (including radar channels)
802.11b/g: 3 (Japan uses 4)Wireless modulation802.11a: OFDM
802.11b: Direct sequencespread spectrum (DSSS)
802.11g: OFDM and DSSSReceiver 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 dBm802.11b:
1 Mbps: -95 dBm
2 Mbps: -89 dBm
5.5 Mbps: -89 dBm
11 Mbps: -85 dBm802.11g:
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 dBmTransmitter output power802.11a OFDM:
40 mW (16 dBm)
32 mW (15dBm)
20 mW (13 dBm)
8 mW (9 dBm)
3.2mW (5 dBm)
1 mW (0 dBm)802.11b CCK:
50 mW (17 dBm)
20 mW (13dBm)
8 mW (9 dBm)
3.2 mW (5 dBm)
1 mW(0 dBm)802.11g OFDM:
40 mW (16 dBm)
32 mW (15dBm)
20 mW (13 dBm)
8 mW (9 dBm)
3.2mW (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 environmentalfactors so individual performance may differ. Access Point supportCisco Aironet® 350 Series Access Point
Cisco Aironet 1000 Series Lightweight Access Point
Cisco Aironet1100 Series Access Point
Cisco Aironet 1130 AG Access Point
Cisco Aironet 1200 Series Access Point
Cisco Aironet1240 AG Access Point
Cisco Aironet 1300 Series Access PointRequired versions:
Cisco Wireless LAN Controller (Lightweight)4.0 or later
Cisco IOS Access Points (Autonomous) 12.3(8)JEAor laterWireless securityAuthentication:
Cisco Wireless SecuritySuite IEEE 802.1X
Lightweight Extensible Authentication Protocol(LEAP) Authentication
Protected Extensible Authentication Protocol(PEAP) MS-CHAP v2
Extensible Authentication Protocol-FlexibleAuthentication via Secure Tunneling (EAP-FAST)
Extensible AuthenticationProtocol-Transport Layer Security (EAP-TLS)
Wi-Fi ProtectedAccess (WPA) Versions 1 and 2; Personal and Enterprise
CiscoCentralized Key Management (CCKM)Encryption:
40- and 128-bit static Wired EquivalentPrivacy (WEP)
Temporal Key Integrity Protocol (TKIP) and MessageIntegrity Check (MIC)
Advanced Encryption Standard (AES)QoS802.11e/Wi-Fi Multimedia (WMM)
Traffic Specification(TSPEC)
Enhanced Distributed Channel Access (EDCA)
QoS Basic Service Set (QBSS)Radar detectionDynamic frequency selection (DFS) and transmit power control(TPC) according to 802.11hPower save modeU-APSD
Power Save Poll (PS-Poll)AntennaVertical and horizontal antennas
Antennaswitched diversity (5-GHz band only)

 

Table 3. Specifications

ItemDescriptionDimensions (H x W x D)Phone: 5.0 x 2.1 x 1.0 in. (12.7 x 5.3 x 2.5 cm)
Desktopcharger: 3.4 x 4.8 x 5.1 in. (8.6 x 12.2 x 13 cm)WeightPhone with standard battery: 5 oz (145 g)
Desktopcharger: 12.9 oz (365 g)BatteryStandard lithium-ion (Li-ion) battery life: up to 11.5 hours talktime / 150 hours standby (Release 1.0. 4 or later)
Extended Li-ionbattery life: up to 15.5 hours talk time / 200 hours standby (Release 1.0. 4or later)
Actual battery life varies based on environmentalfactorsInput PowerPhone: 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 temperature32 to 104°F (0 to 40°C)Storage temperature-22 to 140°F (-30 to 60°C)Relative humidity10 to 95% (noncondensing)Vibration1.5 Grms maximum, 0.1 in. (2.5 mm) double amplitude at 0.887 octaves perminute from 5-500-5 Hz sweep, 10-minute dwell on three major peaks, in eachof the three major mutually perpendicular axesThermal shock-22°F (-30°C) 24 hours; 158°F (+70°C) 24 hoursAltitudeCertified for operation: 0 to 6,500 ft (0 to 2 km)Headset jack2.5 mm (four conductor tri-band)ConnectorUSB 1.1 master and slaveMaterialLatex free and lead free

 

Table 4. Accessories

ItemDescriptionAccessoriesDesktop 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 carrycase from Zcover® (http://www. zcover. com)
Thermoformed heavy-dutypolymer carry case from System Wear® (http://www. systemwear. com)
Lock set for phone
Phone to A-type 48 in. (1.2 m) USBcable

 

Table 5. Certification and Compliance

ItemDescriptionSafetyUL 60950
CSA 22.2 No. 60950
EN 60950
IEC 60950
ACA TS 001
AS/NZS 60950Electromagnetic 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 60601-1-2TelecomFCC Part 68 (CFR) (HAC)
CS-03 (HAC)
PTC220/06/098 (2003, New Zealand)
AS/ACIF S004 and AS/ACIF S040(Australia)RadioUSA: FCC Part 15.247 (2.4 GHz), FCC Part 15.407 (5 GHz), and FCCPart 2
(Software Defined Radio)
Canada: RSS-210 Rev 5 (does not include5.470-5.725 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: IDATS SRD
Hong Kong: HKTA1039RF exposureOET-65C (01-01)
ANSI C95.1 (91)
RSS-102
ACA Radiocommunications (Electromagnetic Radiation-Human Exposure)
Standard 2003
EN 50360

Note: All Cisco Unified IP Phones require the purchase of a phone technologylicense, regardless of the call protocol being used. The Cisco Unified WirelessIP 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 IPPhone 7921G.

Table 6. Product and License Ordering Information

Part NumberDescriptionCP-7921G-A-K9Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified CommunicationsManager and Cisco Unified Communications Manager Express User License Required;Battery/Power Supply Not IncludedCP-7921G-A-K9=Cisco Unified Wireless IP Phone 7921G FCC; Battery/Power Supply Not IncludedCP-7921G-E-K9Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified CommunicationsManager and Cisco Unified Communications Manager Express User License Required;Battery/Power Supply Not IncludedCP-7921G-E-K9=Cisco Unified Wireless IP Phone 7921G ETSI; Battery/Power Supply Not IncludedCP-7921G-P-K9Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified CommunicationsManager and Cisco Unified Communications Manager Express User License Required;Battery/Power Supply Not IncludedCP-7921G-P-K9=Cisco Unified Wireless IP Phone 7921G Japan; Battery/Power Supply NotIncludedCP-7921G-W-K9Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified CommunicationsManager and Cisco Unified Communications Manager Express User License Required;Battery/Power Supply Not IncludedCP-7921G-W-K9=Cisco Unified Wireless IP Phone 7921G Rest of World; Battery/Power SupplyNot IncludedCP-7921G-AC-CH1-K9Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified CommunicationsManager User License; Battery/Power Supply Not IncludedCP-7921G-EC-CH1-K9Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified CommunicationsManager User License; Battery/Power Supply Not IncludedCP-7921G-PC-CH1-K9Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified CommunicationsManager User License; Battery/Power Supply Not IncludedCP-7921G-WC-CH1-K9Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified CommunicationsManager User License; Battery/Power Supply Not IncludedCP-7921G-AE-CH1-K9Cisco Unified Wireless IP Phone 7921G FCC; Cisco Unified CommunicationsManager Express User License; Battery/Power Supply Not IncludedCP-7921G-EE-CH1-K9Cisco Unified Wireless IP Phone 7921G ETSI; Cisco Unified CommunicationsManager Express User License; Battery/Power Supply Not IncludedCP-7921G-PE-CH1-K9Cisco Unified Wireless IP Phone 7921G Japan; Cisco Unified CommunicationsManager Express User License; Battery/Power Supply Not IncludedCP-7921G-WE-CH1-K9Cisco Unified Wireless IP Phone 7921G Rest of World; Cisco Unified CommunicationsManager Express User License; Battery/Power Supply Not IncludedSW-CCM-UL-7921GCisco Unified Communications Manager User License for single Cisco UnifiedWireless IP Phone 7921GSW-CCME-UL-7921GCisco Unified Communications Manager Express User License for single CiscoUnified Wireless IP Phone 7921GSW-CCM-UL-7921G=Cisco Unified Communications Manager User License for single Cisco UnifiedWireless IP Phone 7921GSW-CCME-UL-7921G=Cisco Unified Communications Manager Express User License for single CiscoUnified Wireless IP Phone 7921G

 

Table 7. Optional Accessories Ordering Information

Part NumberDescriptionCP-BATT-7921G-STD=Cisco Unified Wireless IP Phone 7921G Battery, StandardCP-BATT-7921G-EXT=Cisco Unified Wireless IP Phone 7921G Battery, ExtendedCP-CASE-7921G=Cisco Unified Wireless IP Phone 7921G Leather Carry CaseCP-SHOULDER-7921G=Cisco Unified Wireless IP Phone 7921G Shoulder Strap For Leather CarryCaseCP-HOLSTER-7921G=Cisco Unified Wireless IP Phone 7921G Holster Carry CaseCP-LOCK-7921G=Cisco Unified Wireless IP Phone 7921G Lock SetCP-CAB-USB-7921G=Cisco Unified Wireless IP Phone 7921G to A-type USB CableCP-DSKCH-7921G-BUNCisco Unified Wireless IP Phone 7921G Desktop Charger, Power SupplyCP-DSKCH-7921G=Cisco Unified Wireless IP Phone 7921G Desktop Charger SpareCP-MCHGR-7921G-BUNCisco Unified Wireless IP Phone 7921G Multi-Charger, Power Supply, ACPower CordCP-MCHGR-7921G=Cisco Unified Wireless IP Phone 7921G Multi-Charger SpareCP-PWR-MC7921G=Cisco Unified Wireless IP Phone 7921G Multi-Charger Power Supply SpareCP-PWR-7921G-AU=Cisco Unified Wireless IP Phone 7921G Power Supply for Australia (notrequired 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 requiredwhen using Desktop Charger)CP-PWR-7921G-NA=Cisco Unified Wireless IP Phone 7921G Power Supply for North America (notrequired 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 requiredwhen using Desktop Charger)CP-PWR-DC7921G-AU=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forAustralia SpareCP-PWR-DC7921G-CE=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forCentral Europe SpareCP-PWR-DC7921G-JP=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forJapan SpareCP-PWR-DC7921G-NA=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forNorth America SpareCP-PWR-DC7921G-UK=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forUnited Kingdom SpareCP-PWR-DC7921G-CN=Cisco Unified Wireless IP Phone 7921G Desktop Charger Power Supply forChina SpareCAB-AC2AUS=AC Power Cord Australia for Cisco Unified Wireless IP Phone 7920/7921GMulti-Charger SpareCAB-AC2E=AC Power Cord Europe for Cisco Unified Wireless IP Phone 7920/7921G Multi-ChargerSpareCAB-AC2J=AC Power Cord Japan for Cisco Unified Wireless IP Phone 7920/7921G Multi-ChargerSpareCAB-AC2=AC Power Cord N. America for Cisco Unified Wireless IP Phone 7920/7921GMulti-Charger SpareCAB-AC2UK=AC Power Cord United Kingdom for Cisco Unified Wireless IP Phone 7920/7921GMulti-Charger SpareCAB-AC2CHI=AC Power Cord China for Cisco Unified Wireless IP Phone 7920/7921G Multi-ChargerSpare

Warranty
Cisco Unified IP Phones are covered by a Cisco Systems® standard one-yearreplacement warranty. A Cisco SMARTnet® optional service agreement is availablefor the Cisco Unified Wireless IP Phone 7921G hardware, Desktop Charger, andMulti-Charger only, not for other accessories, such as batteries.

Note: This product is not a medical device and may use anunlicensed frequency band that is susceptible to interference from other devicesor equipment.

Cisco Unified Communications Services and Support
Using the Cisco Lifecycle Services approach, Cisco and its partners offer a broad portfolio of end-to-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.