SIPphone is a San Diego based voice over IP (VOIP) that provides a free dial tone service for any SIP based software or hardware device complete with customizable voicemail. They provide free VOIP Gizmo Project software at http://gizmoproject.com for Macintosh, Microsoft Windows and Linux computers which enable high quality free calling and IM worldwide using any internet connected computer. SIPphone is a founding member of IM Federation (IMfederation.com) promoting interconnects with all networks and currently connects with Google's Google Talk and more than a hundred other networks.
