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METHOD AND SYSTEM FOR CALLING BACK URGENT CALL, VOIP NODE APPARATUS AND PROGRAM IN VOIP NETWORK
METHOD AND SYSTEM FOR CALLING BACK URGENT CALL, VOIP NODE APPARATUS AND PROGRAM IN VOIP NETWORK
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机译:VOIP网络中紧急呼叫,VOIP节点设备和程序的呼叫方法和系统
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摘要
PROBLEM TO BE SOLVED: To certainly receive a calling-back call brought from an urgent-call receiving stand stored in a public telephone network at an urgent-call sender terminal, without holding a connection session to the urgent call in a VoIP network.;SOLUTION: A terminal of a VoIP gateway apparatus storage sends the urgent call. After a call from the terminal side is cut, the VoIP gateway apparatus controls a sending from the terminal for a prescribed term. With regard to a receiving call to the terminal during the sending control term, the VoIP gateway apparatus conducts identification of the urgent-call call back by information, to show that it is an added urgent-call call back. When the receiving call is a urgent-call call back, it is received by a receiving method, set in advance, for each contract service of the sender.;COPYRIGHT: (C)2007,JPO&INPIT
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