发明名称 Multimedia conference system and method which enables communication between private network and Internet
摘要 The present invention discloses a multimedia conference system and method that enables peer-to-peer communication between private network and the Internet. The multimedia conference system and method that enables direct peer-to-peer communication between private network and the Internet includes: a plurality of user agents (to receive call requests) constituting a local network; a calling terminal positioned outside the local network and connected to the local network via Internet; a network address translation (NAT) positioned on the gate of the local network as barrier between the calling terminal and the user agent, and a SIP Proxy Server positioned between the calling terminal and private network and logically installed in parallel with said NAT to receive session initiation protocol messages transmitted from the calling terminal, connect, and transmit IP addresses, so as to send the message to specific User Agent(s).
申请公布号 US2006203749(A1) 申请公布日期 2006.09.14
申请号 US20050190104 申请日期 2005.07.27
申请人 PLUSTEK INC 发明人 TSENG MU-CHUN
分类号 H04Q11/00 主分类号 H04Q11/00
代理机构 代理人
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