To provide a system that dispatches easily and accurately a taxi requested from a portable telephone.

The system is equipped with the portable telephone 101, that transmits an ID information to show the present position of a customer 100 and a radio base station A103 that transmits the ID information, received from the portable telephone 101 to a server 105, that is connected with a prescribed communication line 104. The system receives ID information from the base radio station A103, determines the present position of the customer 100 on the basis of the information concerning the radio base station A103 and the ID information, and sends the present position of the specified customer 100 to a dispatch system of a taxi company 106 via the server 105.