AFAIK, some Linux distros have limited support, for so called "WinModems", but IMO, it's best all round toFireboy wrote: Sort of off-topic, but does Mandrake 10 do anything with WinModems?
use an external one, on both Linux and on Windows. If you can't get (or don't want) an external modem,
the site linmodems.org may help get your "WinModem" working on whatever Linux distro you're running.