No operating system based on the NT kernel has ever supported Distinctive
Ring.
The alternative is to install an external switching device to your phone
line. You can find some here:
http://www.youcansave.com/switchboard.html
Emerson Switchboard
http://www.command-comm.com/phone_line_products.html
ComSwitch?

Signature
Russ Valentine
[MVP-Outlook]
> I am running windows xp pro, and have a us robotics fax
> modem...I remember at one point that my computer could
> automatically distinguish between an incoming voice call
> and an incoming data call(ie fax). for some reason it no
> longer does this. Is there some way to set this up?