Specifications

Cisco Unified Wireless IP Phone 7921G Series Deployment Guide 7
Cisco Spectrum Expert
AirMagnet (Survey, WiFi Analyzer, VoFi Analyzer, Spectrum Analyzer)
Cisco Wireless Control System (WCS) for Unified Wireless LAN management
Call Control
For call control, the Cisco Unified Wireless IP Phone 7921G supports only Skinny Client Control Protocol (SCCP) on the
following applications:
• Cisco Unified Communications Manager 4.1, 4.2, 4.3, 5.0, 5.1, 6.0, 6.1, 7.0, 7.1, 8.0 and later
• Cisco Unified Communications Manager Express 4.1, 4.2, 4.3 and later (Minimum of 12.4(15)T7)
• SRST 4.1, 4.2, 4.3 and later (Minimum of 12.4(15)T7)
Device Support in Cisco Unified Communications Manager
Cisco Unified Communications Manager requires a device package to be installed or service release update in order to enable
Cisco Unified Wireless IP Phone 7921G device support.
Cisco Unified Communications Manager 5.0(4) or higher requires signed COP files.
Device packages for Cisco Unified Communications Manager are available at the following location.
http://www.cisco.com/kobayashi/sw-center/sw-voice.shtml
Supported Protocols
Supported voice and wireless LAN protocols include these:
• Real Time Protocol (RTP)
• G.711u-law, G.711a-law, G.729a, G.729ab, G.722, iLBC
• Real Time Control Protocol (RTCP)
• Cisco Discovery Protocol (CDP)
• Syslog
• CCX v4
• Wi-Fi MultiMedia (WMM)
• Traffic Specification (TSPEC)
• Traffic Classification (TCLAS)
• Unscheduled Auto Power Save Delivery (U-APSD)
• Power Save Poll (PS-POLL)
Supported Access Points
The Cisco Unified Wireless IP Phone 7921G is supported on both the Cisco Unified and Autonomous solutions.