发明名称 METHOD OF PROVIDING CONFERENCING IN TELEPHONY
摘要 A conferencing method not requiring additional or dedicated hardware in a processor controlled telephone terminal, nor requiring an external conference bridge, is provided by one of the terminals designating the conference, processing signals from two other conferees and delaying only two of the conferees active talkers at any given time. The two active conferees do not receive their own signal. An active conferee remains declared active during a dynamic hangover time, which varies between a minimum and a maximum corresponding to the activity time of the conferee.
申请公布号 CA2224541(C) 申请公布日期 2008.06.17
申请号 CA19972224541 申请日期 1997.12.09
申请人 NORTHERN TELECOM LIMITED 发明人 DAL FARRA, DAVE;SMEULDERS, PAUL
分类号 H04M3/56 主分类号 H04M3/56
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