Control Method of Announcement Connection According to Caller's Request Form for Public Switched Telephone Network in Asynchronous Transfer Mode Switch

摘要

1. TECHNICAL FIELD OF THE INVENTION;The present invention relates to a method for controlling announcement broadcast connection according to a subscriber announcement request form of a public switched telephone network.;2. The technical problem to be solved by the invention;The present invention is directed to a public broadcast telephone network subscriber announcement according to a request form of a public switched telephone network subscriber in an asynchronous delivery mode switch that performs different announcement broadcast connections depending on the location of the subscriber and the broadcast broadcasting device. To provide a control method.;3. Summary of Solution to Invention;According to the present invention, in the announcement broadcasting control method according to the subscriber announcement request form of the public switched telephone network, after obtaining the requested announcement number, the state of the announcement device is inquired to store call information and store the announcement information. First step; And a second step of performing connection control according to the connection shape between the subscriber location to which the announcement is to be transmitted and the announcement device.;4. Important uses of the invention;The present invention is used for announcement broadcasting in an ATM switch.