1. A vehicle navigation network using a mobile telecommunication system, comprising: a vehicle navigation apparatus having a satellite signal receiver and a mileage calculator, for determining a current location of a vehicle based on a satellite signal and mileage of the vehicle to a destination, and transmitting information about the current location of the vehicle to a base station transceiver system (BTS) periodically through a mobile terminal; the BTS receiving a signal from the mobile terminal and transmitting data to a base station controller (BSC) when a vehicle navigation service is requested; the BSC connected to at least one BTS, for discriminating a call requesting the vehicle navigation service from a typical voice call and transmission of a text message, connecting the voice call to a mobile switching center (MSC) in the case of the voice call, and connecting the vehicle navigation service requesting call to an switch in the case of the vehicle navigation service requesting call; a plurality of ATM switches connected to a navigation server, for handoff and transmission of packet data when the BSC requests the vehicle navigation service; and the navigation server receiving information about the current location and destination of the vehicle, road condition information, map information, and transmitting route information to the navigation apparatus when the vehicle navigation service is requested from an ATM switch.