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Avaya Definity Gx/PBXLink Integration Guide for Cisco Unity 3.1
OL-1846-06
Appendix: Assigning Dialogic Ports for a Dual Phone System Integration
Changing the Number of Installed Ports
Appendix: Assigning Dialogic Ports for a Dual
Phone System Integration
In a dual phone system integration, Cisco Unity assigns a voice messaging port to the traditional,
circuit-switched phone system for every port available on the installed voice cards before assigning voice
messaging ports to Cisco CallManager. The result is that Cisco Unity may not have enough voice
messaging ports remaining to assign to Cisco CallManager.
The maximum number of voice messaging ports are assigned to the circuit-switched phone system
regardless of the settings on the Ports page in the System Administrator.
For example, a dual phone system integration might have the following configuration:
• A circuit-switched phone system has a four-port voice card installed.
• Cisco CallManager has six Voice Mail ports set up.
• The Cisco Unity server has a system key enabled for a total of eight ports.
• The Ports page on System Administrator indicates that Ports 1 and 2 are assigned to the
circuit-switched phone system and Ports 3 through 8 are assigned to Cisco CallManager.
Even so, Ports 1 through 4 (the total voice card ports) will be assigned to the circuit-switched phone
system, and Ports 5 through 6 will be assigned to Cisco CallManager.
If you want to assign fewer than the total number of voice card ports to the circuit-switched phone
system, you must first set the Port assignments on the Ports page of the System Administrator, then do
the following procedure.
To Set the Port Assignments in the Registry
Step 1 On the Cisco Unity server, on the Windows Start menu, click Run.
Step 2 In the Open field, enter Regedit and press Enter. The Registry Editor appears.
Caution Changing the wrong registry key or entering an incorrect value can cause the server to
malfunction. Before you edit the registry, confirm that you know how to restore it if a problem
occurs. (Refer to the “Restoring” topics in Registry Editor Help.) Note that a typical backup
of the Cisco Unity server does not back up the registry. Also note that for a Cisco Unity
failover system, registry changes on one Cisco Unity server must be made manually on the
other Cisco Unity server, because registry changes are not replicated. If you have any
questions about changing registry key settings, contact Cisco TAC.
Step 3 If you do not have a current backup of the registry, click Registry > Export Registry File, and save the
registry settings to a file.
Step 4 Expand the key
HKEY_LOCAL_MACHINE\Software\ActiveVoice\MIU\1.0\Initialization\ServiceProvider <x>, where
<x> is a number.
You will find several subkeys with this name.