System for transmitting an emergency call

摘要

An emergency call system transmits an emergency call with emergency information from a vehicle using a communication system. The emergency call system includes an emergency call device that connects with an emergency assistance center during an emergency. The emergency call device may be automatically or manually triggered to transmit data and information related to an emergency to the assistance center. Data and information may be transmitted over a data connection and/or a voice connection over a hardwired or wireless network.

主权项

1. A system for submitting an emergency call comprising:
an emergency call device configured to trigger an emergency call by establishing a data connection, the data connection comprising a Wireless Application Protocol (WAP) connection, and a first voice connection; and an emergency call assistance center configured to receive, from the emergency call device, a transmission over the data connection as a request for a uniform resource locator (URL) and a transmission over the first voice connection as a dual tone multi-frequency formatted (DTMF) message; where the URL includes a first portion of the emergency information and the DTMF message includes a second portion of the emergency information; where the emergency call device is configured to transmit emergency information to the emergency call assistance center using both the data connection and the first voice connection wherein the first portion and the second portion of the emergency information include redundant emergency information; and where the emergency call assistance center synchronizes the first portion of the emergency information transmitted using the data connection and the second portion of the emergency information transmitted using the first voice connection to correct errors during transmission.