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Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1
OL-7104-01
Contents
Cisco CallManager and TFTP Services Are Not Running
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Creating a New Configuration File
10
Resolving Voice Quality and Roaming Problems
11
Symptom: Cisco Wireless IP Phone Resets Unexpectedly
11
Verifying Access Point Settings
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Identifying Intermittent Network Outages
12
Verifying DHCP Settings
12
Verifying Voice VLAN Configuration
12
Verifying that the Phones Have Not Been Intentionally Reset
13
Eliminating DNS or Other Connectivity Errors
13
Symptom: The Cisco Wireless IP Phone Has Audio Problems
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No Audio During a Connected Call
14
One-Way Audio During a Connected Call
14
Symptom: The Cisco Wireless IP Phone Does Not Roam Properly
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Voice Quality Deteriorates While Roaming
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Delays in Voice Conversation While Roaming
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Phone Loses Connection with Cisco CallManager While Roaming
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General Troubleshooting Information
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Troubleshooting Tips for the Cisco Wireless IP Phone 7920
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Logging Information for Troubleshooting
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Using a System Log Server
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Using the Trace Route Option on the Cisco Wireless IP Phone
20
Administration Options on the Phone Menus
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Accessing Hidden Options on the Phone Menus
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Using Hidden Options on the Phone Menus
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Erasing the Local Configuration
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Using Power Save Mode
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Setting the Softkey Option
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Performing a Trace Route
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Selecting the Data Rate
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Содержание 7920 - Unified Wireless IP Phone VoIP
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