SLAVE STATION COMMUNICATION SYSTEM, SLAVE STATION COMMUNICATION DEVICE, ACCOMMODATED COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND RESTART METHOD FOR SLAVE STATION COMMUNICATION DEVICE

摘要

PROBLEM TO BE SOLVED: To suppress influence on telephone communication of an accommodated communication device under a slave station communication device connected with a master station communication device when restarting the slave station communication device.;SOLUTION: The invention relates to a slave station communication system comprising a slave station communication device, and an accommodated communication device which is accommodated under the slave station communication device and can perform telephone communication with another telephone communication device. The slave station communication device has: means for inquiring of the accommodated communication device propriety of performing restart of the device itself, when the device itself performs restart processing; means for receiving response information to the inquiry from the accommodated communication device; and means for determining the propriety of performing the restart of the device itself on the basis of the received response information, and performing the restart of the device itself only when it is determined that the restart can be performed. The accommodated communication device has means for transmitting the response information according to a state of telephone communication of the device itself to the slave station communication device, when receiving the inquiry about the propriety of performing the restart from the slave station communication device.;COPYRIGHT: (C)2013,JPO&INPIT