Method, device and system for transmitting an emergency call

Details Method, device and system for transmitting an emergency call Method, device and system for transmitting an emergency call

2004-06-30

2011-10-04

Kincaid, Lester (Department: 2617)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S404200, C455S466000, C709S224000

Reexamination Certificate

active

08032108

ABSTRACT:
This invention relates to a method and an emergency call device for transmitting an emergency call including emergency information from a vehicle using a mobile communication system. Further this invention is related to an emergency call system comprising the emergency call device and an emergency call assistance center. To provide a method for transmitting an emergency call which increases the reliability of data transmission this invention provides a method for transmitting an emergency call including emergency information from a vehicle using an mobile communication system. After an emergency call has been triggered at the vehicle, the method establishes a data connection to an emergency call assistance center via the mobile communication system, transmits emergency information to the emergency call assistance center using the data connection, establishes a first voice connection to the emergency call assistance center via the mobile communication system, and transmits a DTMF message including emergency information using the established first voice connection.

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patent: WO 03/003327 (2003-01-01), None

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