Registering The Conference Station With Cisco Unified Communications Manager; Symptom: Conference Station Unable To Obtain Ip Address - Cisco 7937G - Unified IP Conference Station VoIP Phone Administration Manual

Resolving Startup Problems
Add the conference station back to Cisco Unified Communications Manager. See the
Step 3
"Adding Conference Stations to the Cisco Unified Communications Manager Database" section on
page 2-7
Power cycle the conference station.
Step 4
When you remove a conference station from the Cisco Unified Communications Manager database, its
Note
configuration file is deleted from the Cisco Unified Communications Manager TFTP server. The
conference station's directory number remains in the Cisco Unified Communications Manager. It
becomes an "unassigned DN" and can be used by another device. If unassigned DNs are not used by
other devices, delete them from Cisco Unified Communications Manager. You can use the Route Plan
Report to view and delete unassigned reference numbers. Refer to Cisco Unified Communications
Manager Administration Guide for more information.

Registering the Conference Station with Cisco Unified Communications Manager

A conference station can register with a Cisco Unified Communications Manager server only if the
conference station has been added to the server or if auto-registration is enabled. Review the information
and procedures in the
Database" section on page 2-7
Cisco Unified Communications Manager.
To verify that the conference station is in the Cisco Unified Communications Manager database, choose
Device > Phone from Cisco Unified Communications Manager Administration and search for the
conference station based on its MAC Address. For information about determining a MAC address, see
the
If the conference station is already in the Cisco Unified Communications Manager database, its
configuration file may be damaged. See the
assistance.

Symptom: Conference Station Unable to Obtain IP Address

If a conference station is unable to obtain an IP address when it starts up, the conference station may not
be on the same network or VLAN as the DHCP server, or the switch port to which the conference station
is connected may be disabled.
Make sure that the network or VLAN to which the conference station is connected has access to the
DHCP server, and make sure that the switch port is enabled.
Cisco Unified IP Conference Station 7937G Administration Guide for Cisco Unified Communications Manager 6.0
9-6
for details.
"Adding Conference Stations to the Cisco Unified Communications Manager
"Determining the MAC Address of a Conference Station" section on page
to ensure that the conference station has been added to
"Creating a New Configuration File" section on page 9-5
Chapter 9 Troubleshooting and Maintenance
2-9.
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for