A method of interfacing a portable transceiver in a telematics system comprising the steps of: a) bringing a portable wireless transceiver into proximity of a vehicle, wherein the portable wireless transceiver has short range and long range wireless transceiving functions; b) automatically switching...http://www.google.de/patents/US7006845?utm_source=gb-gplus-sharePatent US7006845 - Method and system for interfacing a portable transceiver in a telematics system
