Cisco Unified Wireless IP Phone 7921G Rest of World CP-7921G-WE-CH1-K9 Data Sheet
Product codes
CP-7921G-WE-CH1-K9
Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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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
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
●
Wavelink
®
Avalanche™ (
)
Deployment tools
Integrated site survey tool
Language support
Catalan, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Norwegian,
Portuguese, Spanish, and Swedish
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
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)