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Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
OL-3930-02
Chapter 9 Troubleshooting the Cisco Wireless IP Phone 7920
Administration Options on the Phone Menus
Using Hidden Options on the Phone Menus
The hidden administrative settings are for troubleshooting only. You can
temporarily change some parameter settings, such as power save while you are in
administrative mode. When the phone is powered off and powered on, the default
settings for the phone are restored.
The following hidden options are available to administrators for troubleshooting
purposes:
• Disabling the Power Save Mode, page 9-21
• Performing a Trace Route, page 9-22
• Selecting the Data Rate, page 9-22
• Selecting the Transmit Power, page 9-23
• Changing the Cisco Discovery Protocol (CDP) Settings, page 9-23
Note When you access the administrative mode functions on the Cisco Wireless IP
Phone 7920, you might see additional hidden options and administrative mode
parameters beyond those that are listed. TAC uses these options for
troubleshooting phone and wireless network issues.
Disabling the Power Save Mode
Disabling the power save mode temporarily keeps the phone radio in active mode
and prevents it from going into standby mode. The battery life lasts only as long
as the talk time duration of 3.5 hours for a standard battery.
To disable the Power Save mode, follow these steps:
Procedure
Step 1 Press the Menu softkey.
Step 2 Choose the Phone Settings menu.
Step 3 Scroll to Power Save and press Select to open the Power Save menu.
Step 4 Scroll to Disable to disable the Power Save mode.
Step 5 Press Save to keep the change.