Installation > Installation FAQ:
System Requirements - Operating system
Windows XP to Windows 7 (32bit and 64 bit) is supported. Every Windows System (especially XP) needs the latest service pack. CTI Data Connector Enterprise Edition can be installed on a server but this is not mandatory.
Page url: http://www.helpserver.biz/onlinehelp/cdc/ep/3.0/help2000/index.html?system_requirements___operatin.htm