http://www.macnn.com/articles/03/10/24/xten.releases/
Xten releases VoIP softphone for Mac OS X
updated 08:15 pm EDT, Fri October 24, 2003
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Xten has released a free VoIP softphone for Mac OS X: "It uses the Session Initiation Protocol [SIP] which is quickly becoming the number 1 choice for Internet Telephony operators across the globe." It has many PBX-like features and offers an standards-based design for maximum network interoperation and integration. A commercial version ($50) is also available that includes conferencing, 6 lines, 10 networks, transfer and more. [Lite, Com]
