Can anyone give a hand setting up a call with NetMeeting from one location to another via ISDN?

Thanks!

Little more info:
Using NetMeeting 3.0
I have 2 Voice/Data ISDN lines
Eicon Diva ISDN modem
Connection works I can place a test call, phone company tested signal, etc

...I just need help configuring the user to call via ISDN (using both #s)...

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