Cisco 7965G Administration Guide

9-9
Cisco Unified IP Phone 7965G and 7945G Administration Guide for Cisco Unified Communications Manager 6.0
OL-12650-01
Chapter 9 Troubleshooting and Maintenance
Troubleshooting Cisco Unified IP Phone Security
Troubleshooting Cisco Unified IP Phone Security
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
Communications Manager Security Guide.
Table 9-1 Cisco Unified IP Phone Security Troubleshooting
Problem Possible Cause
CTL File Problems
Device authentication error. CTL file does not have a
Cisco
Unified Communications
Manager certificate or has an incorrect
certificate.
Phone cannot authenticate CTL file. The security token that signed the
updated CTL file does not exist in the
CTL file on the phone.
Phone cannot authenticate any of the
configuration files other than the CTL
file.
Bad TFTP record.
Phone reports TFTP authorization
failure.
• 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.
Phone does not register with
Cisco
Unified Communications
Manager.
The CTL file does not contain the
correct information for the
Cisco
Unified Communications
Manager server.
Phone does not request signed
configuration files.
The CTL file does not contain any
TFTP entries with certificates.

Cisco 7965G Specifications

General

Brand	Cisco
Model	7965G
Category	IP Phone
Language	English