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Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
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Chapter D Troubleshooting and Maintenance
Resolving Startup Problems
Verifying DNS Settings
If you are using DNS to refer to the TFTP server or to Cisco Unified Communications Manager, you
must ensure that you have specified a DNS server. Verify this setting by entering http://x.x.x.x where
x.x.x.x is the IP address of the ATA 190. You should also verify that there is a CNAME entry 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 look-ups.
Verifying Cisco Unified Communications Manager Settings
Enter http://x.x.x.x where x.x.x.x is the IP address of the ATA 190 to find the active Cisco Unified
Communications Manager settings.
Cisco Unified Communications Manager and TFTP Services Are Not Running
If the Cisco Unified Communications Manager or TFTP services are not running, phones may not be
able to start up properly. However, in such a situation, it is likely that you are experiencing a system-wide
failure, and that other phones and devices are unable to start up properly.
If the Cisco Unified Communications Manager service is not running, all devices on the network that
rely on it to make phone calls will be affected. If the TFTP service is not running, many devices will not
be able to start up successfully.
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.
Step 2 Choose Tools > Control Center - Network 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 stop or start a service.
Step 4 If a service has stopped, click its radio button and then click the Start button.
The Service Status symbol changes from a square to an arrow.
Note A service must be activated before it can be started or stopped. To activate a service, choose Tools >
Service Activation.
Creating a New Configuration File
If you continue to have problems with a particular phone that other suggestions in this chapter do not
resolve, the configuration file may be corrupted.
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