... WinME,WinNT,Win2000 WinXP,VIST,WIN7and Linux. 56k Data/Fax soft Modem 1.Support to ITU T ... .This Modem can be used in the following Operating System: Windows98, Windows ME,Windows NT, Windows 2000 Windows ... and CE, youcan use it safety and stably. Data mode capabilities:ITU T V.92, 56KbpsITU T V ... (LAPM and MNP)V.42bis and MNP class 5 data compressionOperating system support: Windows 98, ME, NT,2000, XP, ...