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Chapter 9 Troubleshooting the Cisco Wireless IP Phone 7920
Administration Options on the Phone Menus
9-22
Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
OL-3930-02
A check mark appears next to the selected Power Save mode.
When you power off the phone, the Power Save setting returns to Enabled.
Performing a Trace Route
You can use this function to trace the path of a packet from the phone to
Cisco CallManager. The result shows the number of hops and the IP address of
each hop to reach the Cisco CallManager server.
To perform a trace route, follow these steps:
Procedure
Step 1 Press the Menu softkey.
Step 2 Choose the Network Config menu.
Step 3 Scroll to Trace Route and press Select to open the Trace Route menu.
Step 4 Enter the trace route IP address such as the destination Cisco CallManager and
then press Save.
The phone begins the tracing process, and the trace result is displayed.
Step 5 Press Back to return to the Network Config menu.
Selecting the Data Rate
The default setting is auto in which the phone automatically adjusts to the data
rate of the AP. You can change this setting to a value lower than 11 Mbps, but it
will reduce the voice quality and the number of concurrent phone calls that the AP
can handle.
To select the data rate, follow these steps:
Procedure
Step 1 Press the Menu softkey.