CHAPTER
9-1
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
9
Troubleshooting and Maintenance
This chapter provides information that can assist you in troubleshooting problems with your
Cisco Unified Unified IP Phone 7931G or with your IP telephony network. It also explains how to clean
and maintain your phone.
For additional troubleshooting information, see 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
• Resetting or Restoring the Cisco Unified IP Phone, page 9-12
• Using the Quality Report Tool, page 9-14
• Monitoring the Voice Quality of Calls, page 9-14
• Where to Go for More Troubleshooting Information, page 9-16
• Cleaning the Cisco Unified IP Phone, page 9-16
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 Verifying the Phone
Startup Process, page 3-8. 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
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