Forums Developers Getting a users IP address

I am trying to write a netmeeting plugin for mirc mainly to be used for a video connection. Creating a executable and communicating with mirc via DDE is not a problem. However, I do not see a way to get a IP address for a user in the userlist. Is there a way to do this? I suppose I could spoof a DCC connection to the server but I really don't want to do that if I don't have to. Any suggestions?

/DNS isn't reliable unfortunately.

Thanks.