Cisco 7942G - Unified IP Phone VoIP Pemecahan Masalah dan Pemeliharaan - Halaman 9

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Troubleshooting and Maintenance

Cause

A bad TFTP record exists, or the configuration file may not be signed by the corresponding certificate in the

phone Trust List.

Solution

Check the TFTP record and the certificate in the Trust List.

ITL File Authenticates but Other Configuration Files Do Not Authenticate

Problem

Phone cannot authenticate any configuration files other than the ITL file.

Cause

The configuration file may not be signed by the corresponding certificate in the phone Trust List.

Solution

Re-sign the configuration file by using the correct certificate.

Phone Does Not Register

Problem

Phone does not register with Cisco Unified Communications Manager.

Cause

The CTL file does not contain the correct information for the Cisco Unified Communications Manager server.

Solution

Change the Cisco Unified Communications Manager server information in the CTL file.

Signed Configuration Files Are Not Requested

Problem

Phone does not request signed configuration files.

Cause

The CTL file does not contain any TFTP entries with certificates.

Solution

Configure TFTP entries with certificates in the CTL file.

802.1X Authentication Problems

802.1X authentication problems can be broken down into the categories described in the following table:

ITL File Authenticates but Other Configuration Files Do Not Authenticate

Troubleshooting and Maintenance