Cisco 7920 Administration Guide - Page 197
General Troubleshooting Information, Troubleshooting Tips for the Cisco Wireless IP Phone 7920
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Chapter 9 Troubleshooting the Cisco Wireless IP Phone 7920 General Troubleshooting Information Related Topics • Resolving Startup and Connectivity Problems, page 9-2 • Resolving Voice Quality and Roaming Problems, page 9-11 • General Troubleshooting Information, page 9-17 General Troubleshooting Information The following topics provide general information and tips for troubleshooting the Cisco Wireless IP Phone 7920. • Troubleshooting Tips for the Cisco Wireless IP Phone 7920, page 9-17 • Logging Information for Troubleshooting, page 9-20 Troubleshooting Tips for the Cisco Wireless IP Phone 7920 Table 9-1 provides general troubleshooting information for the Cisco Wireless IP Phone. Table 9-1 Cisco Wireless IP Phone Troubleshooting Summary Phone gets warm Phone is resetting Explanation The phone may get warm when calls are in progress and when you frequently use the phone. If the phone is not registered with a Cisco CallManager server, it does not go into power save mode and becomes warm. The phone resets when it loses contact with the Cisco CallManager software. This lost connection can be due to any network connectivity disruption, including access point problems, switch outages, and switch reboots. See the "Symptom: Cisco Wireless IP Phone Resets Unexpectedly" section on page 9-11. OL-7104-01 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1 9-17