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 3 Setting Up the Cisco Unified Wireless IP Phone 7921G
Installing the Cisco Unified Wireless IP Phone 7921G
Table 3-4 shows the charging time for the two types of batteries. You can stop
charging the battery when the battery is fully charged, and leave the batteries in
the charger with no ill effects. Lithium
ion batteries can be partially charged
without shortening the battery life. Batteries should handle up to 4000 recharges.
The following sections provide information about the battery and charging the
phone:
• Installing or Removing the Phone Battery, page 3-11
• Using the Power Supply to Charge the Phone, page 3-12
• Using the USB Cable to Charge the Phone, page 3-15
• Installing and Using the Desktop Charger, page 3-17
Installing or Removing the Phone Battery
To install the battery in the Cisco Unified Wireless IP Phone use Figure 3-1, and
follow these steps:
Procedure
Step 1 To install the battery, insert the battery catches (as shown in Figure 3-1) in the
corresponding slots at the bottom of the Cisco Unified Wireless IP Phone 7921G.
Make sure that the metal contacts on the battery and the phone are facing each
other.
Step 2 Press the battery to the body of the phone until it locks into place.
Step 3 To remove the battery, press up on the locking catch, then lift and remove the
battery.
Ta b l e 3-4 Battery Charging Time Information
Battery Type
Power Supply
Connected to Phone
Phone Connected to
PC with USB Cable
Power Supply with
Desktop Charger
Standard 2 hours 5 hours 2 hours
Extended 3 hours 7 hours 3 hours