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Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1)
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Chapter 10 Troubleshooting the Cisco Unified Wireless IP Phone 7925G
General Troubleshooting Information
Note Voice quality metrics do not account for noise or distortion, only frame loss.
General Troubleshooting Information
The following topics provide general information and tips for troubleshooting the Cisco Unified
Wireless IP
Phone 7925G.
• Common Phone Status Messages, page 10-14
• Troubleshooting Tips for the Cisco Unified Wireless IP Phone 7925G, page 10-16
• Logging Information for Troubleshooting, page 10-17
Common Phone Status Messages
Table 10-2 provides a list of common status messages that display on the phone screen. The table
provides possible causes and recommended actions to assist with troubleshooting the problem.
Conceal Ratio and Conceal
Seconds increase significantly
• Network impairment from packet loss or high jitter.
Conceal Ratio is near or at zero,
but the voice quality is poor
• Noise or distortion in the audio channel such as echo or audio
levels.
• Tandem calls that undergo multiple encode/decode such as
calls to a cellular network or calling card network.
• Acoustic problems coming from a speakerphone, handsfree
cellular phone or wireless headset.
Check packet transmit (TxCnt) and packet receive (RxCnt) counters
to verify that voice packets are flowing.
Table 10-1 Changes to Voice Quality Metrics (continued)
Metric Change Condition
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