Method, device and system for transmitting an emergency call
First Claim
1. A method for transmitting an emergency call including emergency information from a vehicle using an mobile communication system, comprising:
- triggering an emergency call at the vehicle, establishing a data connection to an emergency call assistance center via the mobile communication system, transmitting emergency information to the emergency call assistance center using the data connection, establishing a first voice connection to the emergency call assistance center via the mobile communication system, and transmitting a dual tone multi-frequency (DTMF) message including emergency information using the established first voice connection.
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Accused Products
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.
103 Citations
24 Claims
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1. A method for transmitting an emergency call including emergency information from a vehicle using an mobile communication system, comprising:
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triggering an emergency call at the vehicle, establishing a data connection to an emergency call assistance center via the mobile communication system, transmitting emergency information to the emergency call assistance center using the data connection, establishing a first voice connection to the emergency call assistance center via the mobile communication system, and transmitting a dual tone multi-frequency (DTMF) message including emergency information using the established first voice connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 24)
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15. An emergency call device for transmitting an emergency call including emergency information from a vehicle using an mobile communication system, comprising:
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a triggering means for triggering an emergency call at the vehicle, a communication terminal;
for establishing a data connection to an emergency call assistance center via the mobile communication system, for establishing a first voice connection to the emergency call assistance center via the mobile communication system, for transmitting emergency information to the emergency call assistance center using the data connection, and for transmitting a dual tone multi-frequency (DTMF) message including emergency information using the established first voice connection. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification