win modems are *not* supported.though some modems "works".visit *linmodems.org and use "scanmodem" utility to ensure whether ur winmodem is supported
also:
linmodems.technion.ac.il/
*help.ubuntu.com/community/DialupModemHowto/ScanModem
get an external modem if u really wants(my Dax external modem is lying here for past 2 yrs-thx to dataone bb
)