| 摘要 |
PURPOSE:To prevent the erroneous dialing by informing the caller of the called person name, the address, etc., corresponding to the received dial number with the talkie device. CONSTITUTION:At the time of construction of the station, the corresponding table of the subscriber telephone number, the subsriber name, the address, etc., corresponding to respective extension telephone sets is written into a memory part DR21. When a caller A dials the telephone number of a called person B, a trunk 12 detects the number and this is informed to a central control equipment CC 19. The CC 19 reads the called person name and the address information stored from the receiving number to the memory part 21, transmits this to a talkie device 24 and by a switch controller SC 16, a telephone set 1 of a caller and a talkie device 24 are connected. The talkie device 24 informs A of the called person name and the address. The caller A listens to the talkie sound, when the error does not exists at the number dialed by himself, dials the special number specified beforehand, and requests the connection after that to the CC 19.
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