AUTOMATIC SELECTION SIGNAL ORIGINATING DEVICE FOR TELECOMMUNICATION NETWORK

摘要

PURPOSE:To call only with an opposite subscriber's number when a subscriber, who subscribes to more than two telecommunication enterprises, telephones by adding an identification signal for connecting to a specified telecommunication line to a selection signal so as to ball when a toll number from the selection signals coincides with a specified toll number which can be altered based on a control signal from outside. CONSTITUTION:A titled device has a generation means 1 which generates the selection signal, storage means 5 and 6 which store at least one specified toll number, alteration means 2 and 3 which alter the storage information in the storage means 5 and 6 based on the control signal from outside, a decision means 4 which decides whether the toll number in the selection signals from the generation means 1 coincides with the information in the storage means and a calling means 8 which adds the identification signal for connecting the call to the specified telecommunication line to the selection signal when the decision by the decision means 4 is coincident one. Thus when the subscriber, who subscribes to more than two telecommunication enterprises, telephones, he has only to dial only opposite subscriber's number.