Cisco 7912G Administration Guide - Page 126

Resolving Startup Problems Chapter 6 Troubleshooting the Cisco IP Phone Problem Explanation After the phone is connected to power, the The phone has a duplicate IP address. See the "Assigning phone handset indicator light is steady red an IP Address" section on page 4-15. and the Menu button is steady green. The phone Hold button flashes red and the The phone's firmware is being upgraded. After the Menu button flashes green at the same upgrade, all LEDs on the phone should be off. time. Resolving Startup Problems After installing a Cisco IP Phone into your network and adding it to Cisco CallManager, the phone should start up as described in the "Verifying the Phone Startup Process" section on page 3-9. If the phone does not start up properly, these sections can help you resolve the problem: • Symptom: Cisco IP Phone Does Not Start Up, page 6-12 • Symptom: Cisco IP Phone Not Registering with Cisco CallManager, page 6-13 • Symptom: Cisco IP Phone Resetting, page 6-18 Note Any procedures that refer to an LCD screen display problem apply only to the Cisco IP Phone models 7905G/7912G. Symptom: Cisco IP Phone Does Not Start Up If you connect a Cisco IP Phone into the network port, the LEDs should light up and, on the Cisco IP Phone models 7905G/7912G, messages should appear on the LCD display. (See the "Verifying the Phone Startup Process" section on page 3-9 for information on the normal startup process.) If the phone does not proceed through this normal startup process, you must determine if the phone is functional or if anything else in the configuration is causing the phone to not start up properly. 6-12 Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G OL-6313-01