Did you ever figure this out?
Avaya Computer Telephony 1.3 needs to be installed on a NT server with LAN connectivity to the MAPD. Ideally set the MAPD and a 2nd NIC card on the Server on their own LAN (with a crossover cable if you don't have a layer 3 switch).
So here's a step by step that I've complied for my own use.
1. Install the Server from the Avaya CT Disk
2. Install Admin clients on the Server (and if required on Workstations like your own) from Avaya CT Disk
3. If required, install the Client Drivers for workstations.
4. Apply Avaya CT 1.2 Service Pack 1. You can get that from Avaya's site.
5. Run G3 PBX Driver Configuration and make sure that in the first box Definity G3 PBX Driver IP Address, you put the IP address of the NIC card that talks to the G3 MapD.
6. In the next line, Link 1: IP Address or Hostname, put in the IP of your MAPD.
The MAPD needs to be configured now.
7. Telnet to the MAPD and log in as "root" or "asai_srv"
(I hope you know the password)
8. At the command prompt, run eth_oam
9. Select 2. Local Host Table and add the IP and Name of your new Server.
10. Go back to the main menu and select DLC administration and add:
Port: 1
IP: (your sever's IP to the MAPD)
Client Link: 1
11. Exit the MAPD configuration and quit your telnet.
12. Back on the NT server, run the Telephony Services Controller, put a check mark in both Autostart on boot and Recovery Auto Restart.
13. Start the Telephony Services
That should do it, now you have to have applications that use this.
Good Luck.