Multicast Video Conference System And Method Based on VoIP

摘要

The present invention audio / video through the video conferencing systems and VoIP Telphony system based on internet / relates to meoltae cast videoconferencing systems in the data. The present invention provides subscribers Gateway (CPG), or linked, including PBX and central office trunk Gateway system of collective number of VoIP terminal call is available via the Internet; then when the VoIP device to authenticate the connection by pressing a specific number that the legitimate user consists of a web conferencing system for providing multicast service to a video conference between the VoIP terminal and a multicast Web conference system includes a web server, a call server, MCU server, and DB server. Therefore, according to the present invention can be implemented in a complete voice / data / video between remote locations, and also can build a multi-party video conferencing systems at very low cost by interlocking VoIP Telephony Gateway is installed on an existing, Hardware H.323 codec control The use of VoIP Telephony communications equipment and high-quality voice calls realized already installed can of course be provided through multilateral multicasting (multilateral simultaneous calls) services between remote locations via the same terminal. In particular, can be used for video conferencing services easily and if necessary, with the support of IM and Web conferencing systems