Specifications

Table Of Contents
vii
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Contents
Voice Quality in a Wireless Network 2-16
Authentication Mechanisms in the Wireless Network 2-19
Authenticated Key Management 2-20
Encryption Methods 2-21
Choosing Authentication and Encryption Methods 2-21
Interacting with Cisco Unified CallManager 2-24
Phone Configuration Files and Profile Files 2-25
Interacting with the DHCP Server 2-25
Voice Over IP Wireless Network Configuration 2-27
Wireless Network Requirements for VoIP 2-27
Configuring the Wireless Network for Voice 2-28
Configuration Tip for Cisco Airespace Access Points 2-30
Site Survey Verification 2-31
Performing a Site Survey Verification 2-31
Using the Cisco Unified Wireless IP Phone 7921G Site Survey Utility 2-32
CHAPTER
3 Setting Up the Cisco Unified Wireless IP Phone 7921G 3-1
Before You Begin 3-1
Network Requirements 3-1
Methods for Adding Phones to Cisco Unified CallManager 3-3
Adding Phones with Auto-Registration 3-4
Adding Phones with Auto-Registration and TAPS 3-4
Adding Phones with BAT 3-5
Adding Phones with Cisco Unified CallManager Administration 3-6
Safety Information 3-6
Battery Safety Notices 3-8
Installing the Cisco Unified Wireless IP Phone 7921G 3-10
Providing Power to the Phone 3-10
Installing or Removing the Phone Battery 3-11
Using the Power Supply to Charge the Phone 3-12