Troubleshooting Cisco Unified Ip Phone Security; General Troubleshooting Tips - Cisco 7906G Administration Manual
Unified ip phone for cisco unified callmanager 4.1(3)
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Troubleshooting Cisco Unified IP Phone Security
Troubleshooting Cisco Unified IP Phone Security
General Troubleshooting Tips
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager
9-12
Table 9-1
provides troubleshooting information for the security features on the
Cisco Unified IP Phone. For information relating to the solutions for any of these
issues, and for additional troubleshooting information about security, refer to
Cisco Unified CallManager Security Guide.
Table 9-1
Cisco Unified IP Phone Security Troubleshooting
Problem
Device authentication error.
Phone cannot authenticate CTL file. The security token that signed the
Phone cannot authenticate any of the
configuration files other than the
CTL file.
Phone reports TFTP authorization
failure.
Phone does not register with
Cisco Unified CallManager.
Phone does not request signed
configuration files.
This section provides troubleshooting information for some common issues that
might occur on the Cisco Unified IP Phone.
Chapter 9
Troubleshooting and Maintenance
Possible Cause
CTL file does not have a
Cisco Unified CallManager certificate or
has an incorrect certificate.
updated CTL file does not exist in the
CTL file on the phone.
Invalid TFTP record.
The TFTP address for the phone does
•
not exist in the CTL file.
If you created a new CTL file with a
•
new TFTP record, the existing CTL
file on the phone may not contain a
record for the new TFTP server.
The CTL file does not contain the correct
information for the
Cisco Unified CallManager server.
The CTL file does not contain any TFTP
entries with certificates.
OL-10008-01
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Troubleshooting
