CHAPTER
7-1
Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
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7
Troubleshooting the Cisco IP Phone
Cisco IP Phones include diagnostic screens that enable you to collect information
that can assist you in troubleshooting problems in your IP telephony network.
These sections provide details about these tools and how to use them:
• Obtaining Status, Model, and Version Information, page 7-1
• Resetting the Cisco IP Phone, page 7-12
• Erasing Local Configuration, page 7-13
• Updating Firmware Version, page 7-14
• Resolving Startup Problems, page 7-15
• Resolving Known Issues, page 7-25
Obtaining Status, Model, and Version Information
On Cisco IP Phones, you can obtain status information about the current call and
the network, and verify the phone model and installed firmware version.
This section covers these topics:
• Displaying Statistics for Current Call, page 7-2
• Viewing Status Messages, page 7-3
• Displaying Network Statistics, page 7-8
• Verifying Model and Serial Number, page 7-10
• Verifying Firmware Version, page 7-11
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