发明名称 CALLING PARTY INVOKED HELD CALL MONITORING
摘要 There is described a held party notification monitoring feature which is activat ed or invoked by a calling party when placed on hold. The monitoring feature is invoked to mon itor a communication link established between a first party and a second party wherein the first party has placed the second party on hold. In response to the second party being placed on hold by the first party, a request is generated at the second party to monitor the communication l ink for a signal indicative of the termination of the hold. Responding to the receipt of the generated request to monitor the communication link for the termination of the hold, a message is generated to the first party indicative th at a held call monitoring feature has been activated and awaits the first party to generate the signal ind icative of the termination of the hold. In response to the signal being generated by the first party, the second party is alerted of the termination of the hold.
申请公布号 CA2244634(A1) 申请公布日期 1999.02.14
申请号 CA19982244634 申请日期 1998.08.07
申请人 NORTHERN TELECOM LIMITED 发明人 MCCONNELL, FRED J.;GUTZMANN, DOUGLAS B.;MCLAREN, DUNCAN R. H.
分类号 H04M3/42;H04M3/428;H04M3/493;H04M3/51;(IPC1-7):H04M3/42;H04M3/22;H04M3/58 主分类号 H04M3/42
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