| 摘要 |
PURPOSE:To make secrecy excellent, and further, to attain automatic connection to a prescribed terminal without dialing the terminal number of the terminal of a master station to be connected at the time of call origination from a slave station by providing every slave station with an interface converter, and providing the master station with an automatic call originator. CONSTITUTION:When the interface converter 23 of the slave station 2 detects that a station code detector 22 receives the station code (e) of its own station or a general code, it makes the terminal 14 capable of being used by making the generation of a ringing tone or an off-hook tone from the terminal 14 possible. Besides, the automatic call originator 25 of the master station 1 generates a calling signal to the predetermined terminal 5 in accordance with the station code (e) on the basis of the station code (e) separated from an order line signal by a separator 24. Thus, the wrong ringing tone and the wrong off-hook tone are never generated, and the secrecy is made excellent, and the automatic connection to the prescribed terminal of the master station can be attained without dialing the terminal number of the terminal of the master station to be connected. |
