TELEPHONE EXCHANGE APPARATUS AND CONTROL METHOD FOR USE IN THE APPARATUS

摘要

According to one embodiment, a telephone exchange apparatus includes a memory stores a management table in which a connecting destination ID specifying a communication partner on the packet communication network and a first waiting time from a time of signal transmission to the communication partner up to a time of an arrival of a response signal are associated with each other, a monitoring unit refers to the management table and monitors presence or absence of the response signal from the communication partner within the first waiting time corresponding to connection ID of the communication partner based on the reference result, and a controller stops transmission of a signal necessary for communication establishment to the connecting destination ID in the management table and updates first waiting time corresponding to the connecting destination ID in the management table into second waiting time shorter than the first waiting time.