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CHAPTER
9-1
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0
OL-15299-01
9
Troubleshooting and Maintenance
This chapter provides information that can assist you in troubleshooting problems with your
Cisco Unified Unified IP Phone 7970 Series or with your IP telephony network. It also explains how to
clean and maintain your phone.
For additional troubleshooting information, refer to the Using the 79xx Status Information For
Troubleshooting tech note. That document is available to registered Cisco.com users at this URL:
http://www.cisco.com/warp/customer/788/AVVID/telecaster_trouble.html
If you need additional assistance to resolve an issue, see the “Obtaining Documentation, Obtaining
Support, and Security Guidelines” section on page xiii.
This chapter includes these topics:
• Resolving Startup Problems, page 9-1
• Cisco Unified IP Phone Resets Unexpectedly, page 9-6
• Troubleshooting Cisco Unified IP Phone Security, page 9-8
• General Troubleshooting Tips, page 9-10
• General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914, page 9-12
• Resetting or Restoring the Cisco Unified IP Phone, page 9-13
• Using the Quality Report Tool, page 9-14
• Monitoring the Voice Quality of Calls, page 9-15
• Where to Go for More Troubleshooting Information, page 9-17
• Cleaning the Cisco Unified IP Phone, page 9-17
Resolving Startup Problems
After installing a Cisco Unified IP Phone into your network and adding it to
Cisco Unified Communications Manager, the phone should start up as described in the “Verifying the
Phone Startup Process” section on page 3-10. If the phone does not start up properly, see the following
sections for troubleshooting information:
• Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process, page 9-2
• Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications
Manager, page 9-2
• Symptom: Cisco Unified IP Phone Unable to Obtain IP Address, page 9-6