Autonomous subscriber line test method through outgoing and incoming call monitoring of telephone network subscriber

摘要

1. TECHNICAL FIELD OF THE INVENTION;The present invention relates to an autonomous subscriber line test method through the outgoing and incoming call monitoring of the telephone network subscriber.;2. The technical problem to be solved by the invention;An object of the present invention is to provide a subscriber line test method for detecting a subscriber line failure by detecting a subscriber line suspected of a subscriber line failure in real time through monitoring of outgoing and incoming calls of telephone network subscribers in a switching system.;3. Summary of the Solution of the Invention;The present invention provides a subscriber line test request to a subscriber control processor for controlling subscriber call processing by detecting a case where a hook-on state of a subscriber line is maintained for a predetermined time or more during a scanning operation of a subscriber line in a processor controlling a subscriber line. First step; And a second step of the subscriber control processor managing subscriber line failure information according to a subscriber line test result and automatically transmitting a failure announcement broadcast for an incoming call to a corresponding subscriber in case of a subscriber line failure.;4. Important uses of the invention;The present invention is used in an exchange system.