Connecting EPABX with Computer system

Jul 26 2006 2:41 AM

I am working on project in c#.net that requires desktop dialing.
Requirement:We want to connect EPABX with the Computer Server machine(which is connected to other Client machines by Local Area Network-LAN). When user initiate a event on the client machine for dialing(etc) the request goes to server machine and then server machine sends request to EPABX.

Question:
1. How we can connect EPABX with computer server.
2. How server machine send request to EPABX. 

Please guide.