Subscriber control system for exclusive use for originating

Abstract

Abstract PURPOSE: To switch a subscriber to the exclusive use for originating or the general use easily, by providing a subscriber memory, which stores whether the subscriber is in the state of the exclusive use for originating or in the state of originating and terminating, in a common control automatic exchange. CONSTITUTION:When a subscriber SUB and an originating register OR are connected, the subscriber hears the transmitted dial tone to dial a special number. When this special number is rceived, a marker MKR is get through an originating register marker connector ORMC, and information, which sets contents of a subscriber memory to the exclusive use for originating, and information of the storage position on a switch frame SW of the subscriber SUB are transferred to a subscriber memory device SME. A talkie indicating that the subscriber memory is rewritten from the state of the general use to the state of the exclusive use for originating by these information is transmitted, and the subscriber SUB hears this talkie to recognize that his own subscriber memory is changed from the general use to the exclusive use for originating.

Inventors

• 👤 Ichiro Iizuka

Bibliographic Details