Patent ID: 7962119
Filing Date: 2011-06-14
Classification: H04M,H04W

Abstract:
1. A method for transmitting an emergency call including emergency information using a communication system, the method comprising: triggering an emergency call from a vehicle; establishing a data connection with an emergency call assistance center through the communication system to handle the emergency call in which the data connection comprises a Wireless Application Protocol (WAP) connection; transmitting a first portion of the emergency information to the emergency call assistance center through the data connection as a request for a uniform resource locator (URL) that includes the first portion of the emergency information within the URL request in which the first portion of the emergency information is transmitted in a URL using the WAP data connection; establishing a first voice connection to the emergency call assistance center through the communication system; transmitting a dual tone multi-frequency (DTMF) message comprising a second portion of the emergency information through the first voice connection such. that the first portion of the emergency information transmitted through the data connection and the second portion of the emergency information transmitted through the first voice connection include redundant emergency information; and synchronizing the first portion of the emergency information transmitted through the data connection and the second portion of the emergency information transmitted through the first voice connection at the emergency call assistance center such that errors during transmission may be corrected.