Michael, Thanks for the welcome, and for the response to my question. The call control and dynamic setup of conferences I have working (pretty cool stuff). The tricky part, as you said, is "linking" the servers together. Basically, what I need to do is establish a connection that will not be dependent on a live person being on the call. And I would prefer to avoid having to register actual phone extensions for every server -- and for every conference call. I apologize if I'm slow, but I'm new to working an application like this. In your example, you stated, "3900 is an extension set up in FS_B's dialplan", does this extension have to be a live person (or soft-phone connected using an auto-answer mechanism)? or can I setup something where there is not a phone actually connected? Right now I'm able to place a call from one machine to another, but I'm calling an X-Lite phone on the second server. Also, if it is possible to call a "virtual" extension, I have no problem incorporating application logic that would clean-up the orphaned conferences on all machines when a conference call is complete. I'm more concerned with being able to setup the "links" quickly and in an elegant fashion. - T