Specifications
Table Of Contents
- Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0 and Later
- Contents
- Preface
- An Overview of the Cisco Unified Wireless IP Phone 7921G
- An Overview of the Voice Over IP Wireless Network
- Understanding the Wireless LAN
- Components of the VoIP Wireless Network
- Voice Over IP Wireless Network Configuration
- Site Survey Verification
- Setting Up the Cisco Unified Wireless IP Phone 7921G
- Before You Begin
- Installing the Cisco Unified Wireless IP Phone 7921G
- Powering On the Cisco Unified Wireless IP Phone 7921G
- Understanding the Phone Startup Process
- Using the Cisco Unified Wireless IP Phone 7921G Web Pages
- Using the USB Connection for Initial Phone Configuration
- Updating Phones Remotely
- Configuring Network Profiles
- Configuring USB Settings
- Configuring Trace Settings
- Using System Settings
- Configuring Settings on the Cisco Unified Wireless IP Phone 7921G
- Accessing Network and Phone Settings
- Configuring Network Profile Settings
- Changing Phone Settings
- Configuring the Security Certificate on the Phone
- Changing the USB Configuration
- Configuring Features, Templates, Services, and Users
- Configuring Cisco Unified Wireless IP Phones in Cisco Unified CallManager
- Telephony Features Available for the Phone
- Specific Configuration Options for the Cisco Unified Wireless IP Phone 7921G
- Configuring Softkey Templates
- Modifying Phone Button Templates
- Setting Up Services
- Configuring Corporate and Personal Directories
- Adding Users to Cisco Unified CallManager
- Managing the User Options Web Pages
- Creating Custom Phone Rings
- Viewing Security, Device, Model, and Status Information on the Phone
- Monitoring the Cisco Unified Wireless IP Phone Remotely
- Troubleshooting the Cisco Unified Wireless IP Phone 7921G
- Resolving Startup and Connectivity Problems
- Resolving Voice Quality and Roaming Problems
- General Troubleshooting Information
- Erasing the Local Configuration
- Providing Information to Users By Using a Website
- Supporting International Users
- Physical and Operating Environment Specifications
- Checklist for Deploying the Cisco Unified Wireless IP Phone 7921G
- Index

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