Patent ID: 9165466
Filing Date: 2015-10-20
Classification: G08G,H04W

Abstract:
1. A method of communicating between a vehicle and a central facility, comprising the steps of: (a) initiating at a vehicle a request for turn-by-turn directions; (b) establishing a packet-switched call between the vehicle and a central facility using a mobile dialed number (MDN) and a hotline number, provided by a wireless carrier system, that permits a plurality of simultaneous calls associated with the MDN; (c) offering a vehicle occupant a service option that uses a circuit-switched call; (d) if the vehicle occupant accepts the service option, directing the wireless carrier system to establish the circuit-switched call using the MDN while maintaining the packet-switched call in a dormant state; and (e) receiving determined route information at the vehicle from the central facility via the packet-switched call.