Troubleshooting Cisco Ip Phone Security - Cisco 7960G Administration Manual

Troubleshooting Cisco IP Phone Security

Troubleshooting Cisco IP Phone Security
Cisco IP Phone Administration Guide for Cisco CallManager 4.0, Cisco IP Phones 7960G/7940G
8-12
Table 8-1 provides troubleshooting information for the security features on the
Cisco IP Phone. For information relating to the solutions for any of these issues,
and for additional troubleshooting information about security, refer to
Cisco IP Phone Authentication and Encryption for Cisco CallManager 4.0(1).
Table 8-1 Cisco IP Phone Security Troubleshooting
Problem
LSC fails on the phone.
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 CallManager.
Chapter 8 Troubleshooting the Cisco IP Phone
Possible Cause
CAPF configuration error.
CTL file does not have a
Cisco CallManager certificate or has an
incorrect certificate.
updated CTL file does not exist in the
CTL file on the phone.
Bad 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 CallManager
server.
OL-4825-01