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Avaya Definity Gx/PBXLink Integration Guide for Cisco Unity 3.1
Revised February 10, 2005
This document provides instructions for integrating the phone system with the CiscoUnity voice
messaging system.

Integration Tasks

Before performing the following tasks to integrate CiscoUnity with the Avaya Definity/PBXLink phone
system, confirm that the CiscoUnity server is ready for the integration by completing the appropriate
tasks in the Cisco Unity Installation Guide.

Integration Steps

Follow these steps to set up this integration.
1. Review the system and equipment requirements to confirm that all phone system and CiscoUnity
server requirements have been met. See the “Requirements” section on page2.
2. Plan how the voice messaging ports will be used by Cisco Unity. See the “Planning How the Voice
Messaging Ports Will Be Used by CiscoUnity” section on page 5.
3. Program the Avaya Definity/PBXLink phone system and extensions. See the “Programming the
Avaya Definity/PBXLink Phone System” section on page6.
4. Install and configure the PBXLink box. See the “Setting up the PBXLink Box” section on page15.
5. Configure CiscoUnity for the integration. See the “Configuring Cisco Unity for the Integration”
section on page 19.
6. Test the integration. See the “Testing the Integration” section on page20.
7. If you have CiscoUnity failover, integrate the secondary server. (CiscoUnity failover is supported
only for release 3.1(2) and later.) See the “Integrating a Secondary Server for CiscoUnity Failover”
section on page 23.