发明名称 Apparatus, method, and computer program for supporting video conferencing in a communication system
摘要 A call conferencing apparatus, method, and computer program switch the video information presented to one or more participants during a conference call. The apparatus, method, and computer program identify a primary speaker channel during a video conference. Video information from the primary speaker channel is then provided to at least one other channel of the communication session.
申请公布号 US6963352(B2) 申请公布日期 2005.11.08
申请号 US20030610509 申请日期 2003.06.30
申请人 NORTEL NETWORKS LIMITED 发明人 WHYNOT STEPHEN R.;STOVALL GREGORY T.;MCKNIGHT DAVID W.
分类号 H04N7/14;H04N7/15;(IPC1-7):H04N7/14 主分类号 H04N7/14
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