STATE DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a state display device which takes out a call control signal from a private branch exchange to easily display a call state.SOLUTION: The state display device displays a state of each terminal in a private radio system and includes: a call control signal acquisition part 21 which obtains all call control signals 40 from a private branch exchange 2 of the private radio system; a call control signal analysis part 26 which analyzes the call control signal for performing state display according to a classification of the call control signal and cancels a call control signal which is not used for the state display; and display signal generation parts 27-32 which generate signals for performing the state display on the basis of results obtained by analyzing the call control signal by the call control signal analysis part.