| 摘要 |
Disclosed is an emergency service terminal which supports multichannel communication. The present invention provides stably provides emergency services by sending and receiving an emergency signal using a public switched telephone network through local area wireless communication when an emergency service terminal is located within the signal area of an intermediator connected to a public switched telephone network (PSTN) and by sending and receiving an emergency signal through a mobile communication network when located outside the signal area of the intermediator. [Reference numerals] (AA) Carer;(BB) Hospital;(CC) Family members;(DD) Emergency center;(EE) Emergency service providing server;(FF) Mobile communication exchanging network;(GG) Motile communication base station;(HH) Relay device (AP);(II) Emergency service terminal |
