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

Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G
Installing the Cisco Unified Wireless IP Phone 7921G
3-20
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Battery Charging Times Using the Desktop Charger
The LED indicator on the phone turns green and the phone beeps when the phone
battery is charged. The battery LED indicator on the desktop charger turns green
when the spare battery is charged. Batteries will stop charging after they are fully
charged. You can leave the phone or battery in the charger for extended periods of
time with no problems.
Table 3-5 lists the approximate battery charging times when using the desktop
charger.
Related Topics
• Powering On the Cisco Unified Wireless IP Phone 7921G, page 3-23
• Installing or Removing the Phone Battery, page 3-11
• Using the Power Supply to Charge the Phone, page 3-12
Configuring Wireless LAN Settings for the Cisco Unified
Wireless IP Phone 7921G
Before the phone can connect to the WLAN, you must configure the network
profile for the phone with the WLAN settings. You can use two methods for
setting up the network profiles:
• Cisco Unified Wireless IP Phone 7921G Web Pages, page 3-21
• Network Profile Menu on the Cisco Unified Wireless IP Phone 7921G,
page 3-21
Ta b l e 3-5 Battery Charging Times and Configurations for the Desktop
Charger
Battery Charging Configuration Approximate Charging Times
Spare battery alone 2 hours
Phone with battery 2 hours
Phone with battery and spare battery 2-3 hours