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101. 发明专利

JPS61230553A COMMUNICATION LINE CONFIRMING SYSTEM 失效
公开(公告)号：JPS61230553A
公开(公告)日：1986-10-14
申请号：JP7104485
申请日：1985-04-05
申请人： NIPPON TELEGRAPH & TELEPHONE
发明人： FUJISHITA YOSHIO , KAWAKITA TATSUJIRO , KIMURA FUMIHIRO
IPC分类号： H04M1/66 , H04M3/42
摘要： PURPOSE:To prevent occurrence of an unexpected fault such a missing communication information by providing a sending means of a code displaying the name of a called subscriber accommodated in a line adaptor or an exchange of incoming/outgoing station sides to an incoming line and sending the code to a sending terminal side. CONSTITUTION:A call user operates an operation input section of an outgoing side communication equipment 1S to send an incoming connection destination selection code to an outgoing exchange 2S. The exchange 2S connects to a line to the incoming station and sends the incoming connection destination selection code to an incoming station exchange 2R. The exchange 2R detects it by the incoming detection and identifies that it is the incoming call to the own station, an adaptor uses the incoming connection destination selection code to recognize the name display code of the called subscriber. Then the incoming station exchange 2R uses a common line signal device with the code sending function to send the called subscriber name display code to the outgoing station exchange 2S. Further, a storage device is used to obtain the allocated location of the called subscriber and sends the incoming signal to the incoming side communication equipment 1R.

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