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
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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Chapter 4 Using the Cisco Unified Wireless IP Phone 7921G Web Pages
Configuring USB Settings
Step 4 In the Surplus Bandwidth field, enter the appropriate values.
Step 5 In the 802.11G Power Settings area, check only the channels that are used in your
WLAN. By doing this, the phone scans for only those channels.
In the Max Tx Power field, keep the default value.
Step 6 In the 802.11A Power Settings area, check only the channels that are used in your
WLAN. By doing this, the phone scans for only those channels.
In the Max Tx Power field, keep the default value.
Caution You must check at least one channel after using “Clear All,” to enable the phone
to access the WLAN.
Step 7 Click Save to make the change.
Related Topics
• Accessing the Configuration Web Page for a Phone, page 4-7
• Network Profile Settings, page 4-10
• Configuring Wireless Settings in a Network Profile, page 4-15
• Setting the Wireless LAN Security Mode, page 4-16
• Setting the Wireless Security Credentials, page 4-18
• Configuring the Pre-shared Key, page 4-19
• Configuring IP Network Settings, page 4-21
• Configuring the Alternate TFTP Server, page 4-23
Configuring USB Settings
To use the USB cable from your PC to a phone, you must configure the USB
settings to work with the USB port on the PC. The phone has a default USB IP
address of 192.168.1.100. You can change the USB port configuration on the
phone in these ways: