Patent ID: 7519356

Claim:
A relay apparatus under which plural terminal devices are arranged, comprising: a mobile communication network connection unit which connects, to a mobile communication network, calls originated from the terminal devices; a packet switching network connection unit which connects, to a packet switching network, the calls originated from the terminal devices; an emergency call determination unit which determines whether or not the calls originated from the terminal devices are emergency calls, and when the calls are the emergency calls, connects the emergency calls to the mobile communication network connection unit; a call origination history storage unit which stores a call origination history of the terminal devices and identification numbers of the terminal devices in association with each other; a call origination history management unit which specifies the terminal device which has originated the call to an emergency report center by referring to the call origination history for a call from the emergency report center as a connection destination of the emergency calls; and a terminal device connection unit which connects, to the terminal device specified by the call origination history management unit, the call originated from the emergency report center, wherein when the calls are the emergency calls, the mobile communication network connection unit connects the emergency calls to the mobile communication network by transmitting an identification number of the relay apparatus to the mobile communication network, the identification number being stored in an IC card attached to the relay apparatus.