Cisco 7940G

Contents
6
Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SIP)
OL-15499-01
Verifying DNS Settings 7-4
Verifying Cisco Unified Communications Manager Settings 7-4
Cisco Unified Communications Manager and TFTP Services Are Not Running 7-4
Creating a New Configuration File 7-5
Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 7-6
Cisco Unified IP Phone Resets Unexpectedly 7-6
Verifying Physical Connection 7-6
Identifying Intermittent Network Outages 7-7
Verifying DHCP Settings 7-7
Checking Static IP Address Settings 7-7
Verifying Voice VLAN Configuration 7-7
Verifying that the Phones Have Not Been Intentionally Reset 7-7
Eliminating DNS or Other Connectivity Errors 7-8
Troubleshooting Cisco Unified IP Phone Security 7-9
General Troubleshooting Tips for the Cisco Unified IP Phone 7-9
Resetting or Restoring the Cisco Unified IP Phone 7-12
Performing a Basic Reset 7-12
Performing a Factory Reset 7-12
Where to Go for More Troubleshooting Information 7-13
Cleaning the Cisco Unified IP Phone 7-13
APPENDIX A Providing Information to Users Via a Website A-1
How Users Obtain Support for the Cisco Unified IP Phone A-1
Giving Users Access to the User Options Web Pages A-1
How Users Get Copies of Cisco Unified IP Phone Manuals A-2
Accessing Cisco 7900 Series Unified IP Phone eLearning Tutorials A-2
How Users Subscribe to Services and Configure Phone Features A-2
How Users Access a Voice Messaging System A-3
How Users Configure Personal Directory Entries A-3
Installing and Configuring the Cisco Unified IP Phone Address Book Synchronizer A-4
APPENDIX B Feature Support by Protocol for Cisco Unified IP Phone B-1
APPENDIX C Supporting International Users C-1
Adding Language Overlays to Phone Buttons C-1
Installing the Cisco Unified Communications Manager Locale Installer C-1