TELEPHONE CHARGE INQUIRY SERVICE SYSTEM, AND ITS METHOD, TELEPHONE CHARGE INQUIRY SERVICE PROGRAM, AND RECORDING MEDIUM FOR RECORDING THE PROGRAM

摘要

PROBLEM TO BE SOLVED: To realize a telephone charge inquiry service system that replies a user in response to the inquiry of a telephone charge by the user.;SOLUTION: The telephone charge inquiry service system is characterized in that the system has a charge center device 1 that accumulates a call charge by each call to obtain an accumulated charge and informs the user about the accumulated charge via a communication line in response to the inquiry of a telephone charge received via the communication line. The charge center device 1 is characterized in that the device clears a free call charge when the free call charge is set to a telephone number making the inquiry and informs the user about the accumulated charge after the free call charge is cleared.;COPYRIGHT: (C)2002,JPO