BCWARN Supports a multitude of telephone, both hardware and software based.
Hardware phones: Digium Iaxy - This is just a little "black box" that a regular analog phone plugs into Galaxy Telecom - Not available anymore, but there are still a few around that are excellent devices
Software phones (softphones): Any software phone that support SIP or IAX will work. Software is available for Windows and Mac. Windows: X-Lite - www.xten.com Mac OSX: Loudhush - www.loudhush.ro