METHOD FOR CONTROLLING CALL TIME OF PREPAYMENT SERVICE IN MOBILE COMMUNICATION SYSTEM

摘要

PURPOSE: A method for controlling the call time of prepayment service in the mobile communication system is provided to control call time necessary to execute prepayment service and to transfer the remains of prepayment account previously into call preordination time. CONSTITUTION: If a subscriber inputs a desired telephone number, a prepayment processing part confirms the remains registered in prepayment service, calculates call rates and calculates call available time by the calculated call rates(ST1-ST4). The calculated time is transferred to a switching center(ST5). The call as much as the calculated time lasts in the switching center(ST6). After the call is finished, the result is transferred to the prepayment processing part(ST7). The prepayment processing part adjusts the fee for a telephone call(ST8).