COMMUNICATION APPARATUS, PRIVATE BRANCH EXCHANGE APPARATUS, MAINTENANCE TERMINAL APPARATUS, AND SIMULATION METHOD

摘要

PROBLEM TO BE SOLVED: To simply perform a repeat test in a short time on the occurrence of a defect at a user destination. SOLUTION: A simulation program in which a step of allowing a maintenance terminal 3A to simulate control process contents concerning an exchange among a plurality of extension terminals 2 written in an application program is written is stored in a storage section 15A disposed in a private branch exchange apparatus 1A, and a CPU 14A displays a model indicating the plurality of extension terminals 2 and the whole private branch exchange apparatus 1A in a display 30 of the maintenance terminal 3A and allows the maintenance terminal 3A to operate based on the simulation program stored in the storage section 15A and execute the control process contents written in the application program with respect to the model displayed in the display 30, when a simulation mode is set.