MOBILE COMMUNICATION UNIT ASSOCIATED WITH AN ON-BOARD UNIT

摘要

PURPOSE: A mobile communication terminal combined with a payment device of a vehicle toll is provided to discount a communication cost of the mobile communication terminal during a fixed period according to a payment event of a road toll from the payment device of a vehicle toll. CONSTITUTION: If an event signal due to toll payment is received from a payment terminal(20) of a vehicle toll, a control unit(31) stores event generation time in a storage unit(35). When a mobile communication access request is generated, the control unit sets only one specific bit of an originating call message by 1 if a predetermined preset time does not elapse after the stored event generation time. When the predetermined preset time elapses, the control unit only one specific bit of the originating call message by 0.