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
2-31
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Chapter 2 An Overview of the Voice Over IP Wireless Network
Site Survey Verification
To change the request timeout on the controller, follow these steps:
Procedure
Step 1 Use SSH or Telnet to access the Airespace controller or controllers.
Step 2 Enter config advanced eap request-timeout 20
Step 3 Enter save config
Step 4 Enter y to confirm.
Site Survey Verification
After the initial deployment of wireless phones in the WLAN, it is a good practice
to perform site surveys at regular intervals to verify that the APs are providing
adequate coverage and that wireless phones can roam from one AP to another with
no audio problems.
You should use the wireless IP phone and the Aironet Client Utility (ACU) to
verify that the signal range and transmission power provide adequate coverage for
roaming phones.
Use the following topics for information about performing the site survey:
• Performing a Site Survey Verification, page 2-31
• Using the Cisco Unified Wireless IP Phone 7921G Site Survey Utility,
page 2-32
Performing a Site Survey Verification
Perform these tasks to verify wireless voice network operation. Check that the
wireless
IP phones:
1. Associate with all APs in the WLAN.
2. Authenticate with all APs in the WLAN.
3. Register with Cisco Unified CallManager.