Contents
iv
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0
OL-15985-01
Components of the VoIP Wireless Network
2-7
Networking Protocols Used with Cisco Unified Wireless IP Phones
2-7
Interacting with Cisco Unified Wireless APs
2-9
Associating to an AP
2-10
Voice QoS in a Wireless Network
2-10
Interacting with Cisco Unified Communications Manager
2-12
Phone Configuration Files and Profile Files
2-12
Interacting with the DHCP Server
2-13
Security for Voice Communications in WLANs
2-14
Authentication Methods
2-14
Authenticated Key Management
2-16
Encryption Methods
2-16
AP Authentication and Encryption Methods
2-16
VoIP WLAN Configuration
2-18
Wireless Network Requirements for VoIP
2-19
Configuring APs for Voice
2-19
Configuration Tip for Cisco Aironet APs
2-20
Site Survey Verification
2-20
Site Survey Verification Tasks
2-20
Neighbor List Utility
2-21
Site Survey Utility
2-22
C H A P T E R
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 Communications Manager
3-2
Adding Phones with Auto-Registration
3-3
Adding Phones with Auto-Registration and TAPS
3-3
Adding Phones with BAT
3-4
Adding Phones with Cisco Unified Communications Manager Administration
3-4
Safety Information
3-5
Battery Safety Notices
3-6
Installing the Cisco Unified Wireless IP Phone 7921G
3-7
Providing Power to the Phone
3-7
Installing or Removing the Phone Battery
3-8
Using the Power Supply to Charge the Phone
3-9
Using the USB Cable to Charge the Phone
3-11
Installing and Using the Desktop Charger
3-13
Using the Desktop Charger to Charge the Phone
3-14