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YaPhone is a Video conferencing and VoIP application for M$Windows. It is H323 and SIP protocol compatibale , based on OpenH323 project (https://sourceforge.net/projects/openh323), written by VC++.
VVOIP is voice and video over IP is a P2P application without any protocol like SIP (no server is required) etc.. application. It use decent codecs for video and voice encrypted streams over IP. Moreover it is also comptiable with VoIP modems, you'd con