Patent ID: 6477363
Filing Date: 2002-11-05
Classification: G01S,H04L,H04M,H04W

Abstract:
A system for communicating the location of an emergency caller through a telephone network (2) to a control station (3) for handling the emergency call comprising:a mobile telephone set (1); a location detection unit (12) arranged in said mobile telephone set (1) for obtaining position data of the location of said mobile telephone set (1); a transforming unit (13) arranged in said mobile telephone set (1) and coupled to said location detection unit (12) for receiving said position data and for encoding said position data into a set of audio tone representing said position data; and a transceiveing unit (15) arranged in said mobile telephone set (1) for transmitting said audio tones representing said position data through said telephone network (2) when a call connection between said mobile telephone set (1) and said control station (3) is established.