RRAS - disable dial-in

Hello All,

I have setup a rras on a windows 2003 server to provide LAN-internet
routing, using a 56k analog modem and a dialup account.

This all works fine, actually quite well, but I have one problem: The
phone line is shared with other equipement, and any incoming call is
answered by the server's modem - is there a way to preven this? The
best I can do is to set up restrictions on incoming connections - but
all this does is let the modem answer, and then immediately drop the
line again. I need to have the modem leave the line ringing.

If anyone has suggestions, please avoid confusion, and give clear,
complete descriptions of where to find any setting mentioned - the
number of dialogs, etc is incedible!

Thanks in advance,

Nicolas