发明名称 Apparatus, method and computer program for supporting video conferencing in a communication system
摘要 <p>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. </p>
申请公布号 EP1496700(A3) 申请公布日期 2006.07.26
申请号 EP20040394038 申请日期 2004.06.23
申请人 NORTEL NETWORKS LIMITED 发明人 WHYNOT, STEPHEN;STOVALL, GREGORY T.;MCKNIGHT, DAVID M.
分类号 H04N7/15;H04N7/14;H04N7/18 主分类号 H04N7/15
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