Cisco 6901 Administration Manual page 6

Contents
Providing Information to Users Via a Website
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A P P E N D I X
Supporting International Users
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A P P E N D I X
Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
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Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications
Manager
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Identifying Error Messages
Checking Network Connectivity
Verifying TFTP Server Settings
Verifying IP Addressing and Routing
Cisco CallManager and TFTP Services Are Not Running
Creating a New Configuration File
Registering the Phone with Cisco Unified Communications Manager
Symptom: Cisco Unified IP Phone Unable to Obtain IP Address
Symptom: The Cisco Unified IP Phone Displays Flashing Red Light
Cisco Unified IP Phone Resets Unexpectedly
Verifying the Physical Connection
Identifying Intermittent Network Outages
Verifying DHCP Settings
Checking Static IP Address Settings
Verifying the Voice VLAN Configuration
Verifying that the Phones Have Not Been Intentionally Reset
Eliminating DNS or Other Connectivity Errors
Checking Power Connection
General Troubleshooting Tips
Resetting or Restoring the Cisco Unified IP Phone
Performing a Basic Reset
Performing a Factory Reset
Monitoring the Voice Quality of Calls
Using Voice Quality Metrics
Troubleshooting Tips
Where to Go for More Troubleshooting Information
Cleaning the Cisco Unified IP Phone
How Users Obtain Support for the Cisco Unified IP Phone
Giving Users Access to the User Options Web Pages
How Users Configure Phone Features
How Users Access a Voice Messaging System
Installing the Cisco Unified Communications Manager Locale Installer
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