http://www.ntcompatible.com/index.php Last 20 items on NT Compatible Esselbach Storyteller CMS System http://www.ntcompatible.com/Telenet_Intelligent_ISDN_Modem_c11965.html This product has been tested on the following operating systems: Windows Server 2003,Windows 2000,Windows XP,Windows XP 64 Bit (x86_64) and has a average rating of 5<br /><br />The last rating (1) has been submitted on 2009-02-05 21:55:31 by Anonymous running Windows Server 2003:<br />I hava 128 Kbps ISDN modem model is telenet intelligent NT, and I installed this modem winXP Prof, it is working fine and i installed the same in windows 2003 standard edition (I have HP Proliant MLG350 server), I try to connect the internet, the server gets hanged, I am unable to browse the internet from this server.