Verify Dns Settings; Start Service - Cisco 7821 Administration Manual

Troubleshooting Procedures
• If the shared secret is configured, verify that you have the same shared secret on the authentication
server.
• If the shared secret is not configured on the phone, enter it, and ensure that it matches the shared secret
on the authentication server.

Verify DNS Settings

To verify DNS settings, follow these steps:
Procedure
Step 1 Press Applications.
Step 2 Select Admin Settings > Network Setup > IPv4 Setup > DNS Server 1.
Step 3
You should also verify that a CNAME entry was made in the DNS server for the TFTP server and for the
Cisco Unified Communications Manager system.
You must also ensure that DNS is configured to do reverse lookups.
Related Topics
Phone Cannot Connect Using DNS, on page 179

Start Service

Note A service must be activated before it can be started or stopped.
To start a service, follow these steps:
Procedure
Step 1 From Cisco Unified Communications Manager Administration, choose Cisco Unified Serviceability from
the Navigation drop-down list and click Go.
Step 2 Choose Tools > Control Center - Feature Services.
Step 3 Choose the primary Cisco Unified Communications Manager server from the Server drop-down list.
The window displays the service names for the server that you chose, the status of the services, and a service
control panel to start or stop a service.
Step 4 If a service has stopped, click the corresponding radio button and then click Start.
The Service Status symbol changes from a square to an arrow.
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
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