作者: Howard Thomas , Gerry Foster
DOI:
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摘要: This invention relates to a communication system (200), user equipment (201,211) and method of performing conference call. The (200) employs discontinuous transmission has plurality (201, 211, 213, 215) fixed network (205, 207, 208). It further comprises speech metric processor (225) for determining if is originating at the equipment. also silence descriptor frame generator (229) which generate frames no call (231) involving Furthermore means (229, 239) suppressing informationof applicable cellular mobile radio systems such as UMTS.