GNU Free Call: A Proposed Free Phone To Skype
The GNU Free Call project was released today. It's a project that's self described to be a new communication service to compete with Skype that is designed to be free as in freedom and free as in no cost. The GNU Free Call release announcement says, "We use the open standard SIP protocol and GNU SIP Witch to create secured peer-to-peer mesh calling networks, and we welcome all participation in our effort."
Source: GNU Free Call: A Proposed Free Phone To Skype