Cisco 7906G - Unified IP Phone VoIP Administration Manual page 236

General Troubleshooting Tips
Table 9-2
Summary
Phone call cannot be
established
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.1
9-20
Cisco Unified IP Phone Troubleshooting (continued)
Explanation
The phone does not have a DHCP IP address, is
unable to register to Cisco Unified
Communications Manager, and shows a
Configuring IP or Registering message.
Verify the following:
The Ethernet cable is attached.
1.
The CCM service is running on the Cisco
2.
Unified Communications Manager server.
Both phones are registered to the same
3.
Cisco Unified Communications Manager.
4. Audio server debug and capture logs are
enabled for both phones. If needed, enable
Java debug.
Chapter 9 Troubleshooting and Maintenance
OL-14585-01