CELLULAR PHONE ACCOMMODATION SLAVE TELEPHONE, SWITCHBOARD, RADIO APPARATUS, AND CELLULAR PHONE- SWITCHING SYSTEM

摘要

PROBLEM TO BE SOLVED: To allow a user in an area where the utilization of a cellular phone is limited to contact the outside. SOLUTION: The cellular phone accommodation slave telephone 10 that is connected via the radio apparatus 30 and the switchboard 20 is provided, where the radio apparatus 30 and the switchboard 20 are arranged at an area where the utilization of the cellular phone is limited, and at the same time are arranged at an area where the utilization of the cellular phone is not limited. A control section 12 of the cellular phone accommodation slave telephone acquires the data of the cellular phone when a user's cellular phone 1 is connected to a cellular phone I/F section 11, transmits the ID of the cellular phone included in the acquisition data to the radio apparatus via the switchboard, and allows the radio apparatus to perform radio communication by transmission using the ID, at the same time displays the reception information when receiving arrival signal information or the like addressed to the cellular phone being returned from the radio apparatus after being detected based on the radio communication.