Cisco 7975G - Unified IP Phone VoIP Поиск и устранение неисправностей и техническое обслуживание - Страница 9

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Troubleshooting and Maintenance

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 into the categories described in the following table.

Table 1: Identifying 802.1X Authentication Problems

If all the following conditions apply,

• Phone cannot obtain a DHCP-assigned IP

• Phone does not register with Cisco Unified

• Phone status displays as "Configuring IP" or

• 802.1X Authentication Status displays as "Held"

• Status menu displays 802.1X status as "Failed"

address.

Communications Manager.

"Registering."

(see

802.1X Authentication and Status Menus

for more details).

(see

Status Menu

for more details).

See

802.1X Enabled on Phone but Phone Does Not

Authenticate, on page 10

Troubleshooting and Maintenance

Phone Does Not Register