US 7,574,194 B2
	Emergency call system and control method thereof
Sung-Chul Yang, Suwon-si (Korea, Republic of); and Hwan-Seog Choi, Seoul (Korea, Republic of)
Assigned to Samsung Electronics Co., Ltd, (Korea, Republic of)
Filed on Mar. 03, 2005, as Appl. No. 11/71,756.
Claims priority of application No. 10-2004-0015982 (KR), filed on Mar. 05, 2004.
Prior Publication US 2005/0197096 A1, Sep. 08, 2005
Int. Cl. H04M 11/04 (2006.01); G08B 1/08 (2006.01)

U.S. Cl. 455—404.1  [455/404.2; 340/539.18]

23 Claims

1. An emergency call system comprising: a calling terminal including a controller configured to simultaneously generate and transmit a first mobile communication emergency message including an emergency notification message, a phone number of at least one called terminal (recipient) and Base Station (BS) identification information, and a second emergency message including the emergency notification message and a subscriber's phone number; a BS configured to receive the first and second emergency messages, and transfer the received first and second emergency messages to a management server with a predetermined phone number and the at least one called terminal, respectively; and the management server configured to receive the first emergency message from the BS according to the predetermined phone number, compute a location of the calling terminal based on the BS identification information included in the first emergency message, generate subscriber location information using the computed location of the calling terminal, notify the at least one called terminal and an emergency reception center of the subscriber location information, and transmit the subscriber location information to the at least one called terminal requesting the subscriber location information.