Cisco 7911G - IP Phone VoIP Administration Manual page 240

General Troubleshooting Tips
Table 9-2
Summary
Phone call cannot be established
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.0
9-20
Cisco Unified IP Phone Troubleshooting (continued)
Chapter 9 Troubleshooting and Maintenance
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
2.
Cisco Unified Communications
Manager server.
Both phones are registered to the
3.
same Cisco Unified Communications
Manager.
Audio server debug and capture logs
4.
are enabled for both phones. If
needed, enable Java debug.
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