General Troubleshooting Tips For Cisco Unified Ip Phone Expansion Module; Cisco Unified Ip Phone Reset Or Restore - Cisco 7975G Software Manual

General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module

Summary
Call established with the iLBC
protocol does not show that the
iLBC codec is being used
General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module
The following table provides general troubleshooting information for the Cisco Unified IP Phone Expansion
Module.
Table 55: Cisco Unified IP Phone Expansion Module Troubleshooting
Problem
No display on the Cisco
Unified IP Phone Expansion Module.
Lighted buttons on the first Cisco
Unified IP Phone Expansion Module
are all red.
Lighted buttons on the second Cisco
Unified IP Phone Expansion Module
are all amber.

Cisco Unified IP Phone Reset or Restore

Two methods exist for resetting or restoring the Cisco Unified IP Phone:
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
234
Explanation
Call statistics display does not show iLBC as the receiver/sender codec.
1 Check the following by using Cisco Unified Communications Manager
Administration:
• Both phones are in the iLBC device pool.
• The iLBC device pool is configured with the iLBC region.
• The iLBC region is configured with the iLBC codec.
2 Capture a sniffer trace between the phone and Cisco Unified
Communications Manager and verify that SCCP messages,
OpenReceiveChannel, and StationMediaTransmit messages have media
payload type value equal to 86. If so, the problem is with the phone;
otherwise, the problem is with the Cisco Unified Communications
Manager configuration.
3 Enable audio server debug and capture logs from both phones. If needed,
enable Java debug.
Solution
Verify that all of the cable connections are correct.
Verify that you have power to the Cisco Unified IP Phone Expansion
Module.
Verify that the Cisco Unified IP Phone Expansion Module is
configured in Cisco Unified Communications Manager.
Verify that the Cisco Unified IP Phone Expansion Module is
configured in Cisco Unified Communications Manager.
Troubleshooting and Maintenance