IDENTIFICATION CONTROL SYSTEM FOR A PLURALITY OF LINES

摘要

PROBLEM TO BE SOLVED: To easily identify a line related to an originated/terminated call out of a plurality of lines by reporting line number information between a line accommodating device and a connection control unit in the case of call originating/terminating and making correspondent the call originating/ terminating line and a button corresponding to the line. SOLUTION: In the case of call terminating from a line 4-1 accommodated in a line accommodating device 1-1, correspondent line number information '#1, #2' is reported from the line accommodating device 1-1 to a connection control unit 2 as a message of H.323 form and the connection control unit 2 analyzes the message of H.323 form and performs incoming call display control to buttons 5-1 and 5-2 corresponding to lines of correspondent terminal equipment 3. In the case of call originating selecting the button 5-1 corresponding to the line in the terminal equipment 3, on the other hand, correspondent line number information '#1' is reported from the connection control unit 2 to the line accommodating device 1-1 as a message of H.323 form and the connection control unit 101 analyzes the message of H.323 form and originates a call via the correspondent line 4-1.