| 摘要 |
PURPOSE:To make a private originating register needless and use efficiently the minimum required PB receiver by providing a connector between an originating register and the PB receiver. CONSTITUTION:Dial signals from originating subscriber SUB are received by originating register OR through network NW, and are connected to PB signal receiver PBREC through connector CON. As a result, dial signal receivers can be arranged economically according to a service class. |
