General Troubleshooting Information; Common Phone Status Messages - Cisco 7921G - Unified Wireless IP Phone VoIP Administration Manual

General Troubleshooting Information

Voice quality metrics do not account for noise or distortion, only frame loss.
Note
General Troubleshooting Information
The following topics provide general information and tips for troubleshooting the Cisco Unified
Wireless IP Phone 7921G.
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Common Phone Status Messages

Table 10-2
provides possible causes and recommended actions to assist with troubleshooting the problem.
Table 10-2 Common Phone Status Messages
Message
Network Busy
Leaving Service Area
Locating Network Services
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0
10-14
Common Phone Status Messages, page 10-14
Troubleshooting Tips for the Cisco Unified Wireless IP Phone 7921G, page 10-15
Logging Information for Troubleshooting, page 10-17
provides a list of common status messages that display on the phone screen. The table
Description
The phone is unable to complete a call.
The phone is unable to place or receive
calls. The no signal icon displays on the
phone screen.
The phone is searching for an AP.
Chapter 10 Troubleshooting the Cisco Unified Wireless IP Phone 7921G
Possible Explanation and Action
The WLAN is not able to allocate
bandwidth for the phone to complete the
call.
Wait a few minutes and try the call
again. If the problem persists, the
WLAN might be congested. Consider
increasing the WLAN bandwidth.
The phone cannot detect any access
•
point (AP) beacons.
The phone is out of range of all APs.
Move to a location that is within the
coverage area.
• The AP has failed. Run diagnostic
tests on the AP and replace if
defective.
The phone is searching all beacons and
scanning for a channel and SSID to use.
Wait for the phone to complete the
searching and scanning process.
Depending on the signal strength of the
available WLAN, this process can take a
few minutes.
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