Cisco 7800 Series Administration Manual page 186

Startup Problems
Phone Displays Error Messages
Problem
Status messages display errors during startup.
Solution
While the phone cycles through the startup process, you can access status messages that might provide you
with information about the cause of a problem. See Display Status Messages Window section for instructions
about accessing status messages and for a list of potential errors, their explanations, and their solutions.
Phone Cannot Connect to TFTP Server
Problem
The TFTP server settings may not be correct.
Solution
Check the TFTP settings.
Phone Cannot Connect to Server
Problem
The IP addressing and routing fields may not be configured correctly.
Solution
You should verify the IP addressing and routing settings on the phone. If you are using DHCP, the DHCP
server should provide these values. If you have assigned a static IP address to the phone, you must enter these
values manually.
Configuration File Corruption
Problem
If you continue to have problems with a particular phone that other suggestions in this chapter do not resolve,
the configuration file may be corrupted.
Solution
Configuration file can be retrieved by remote provisioning from provisioning server using
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resync