PRE-PAID SYSTEM DURING OVERSEA ROAMING AND A METHOD THEREOF AND A HOME LOCATION REGISTER THEREFOR, CAPABLE OF PROCESSING PRE-PAYMENT THROUGH A HOME LOCATION REGISTER, A HOME NETWORK EXCHANGE AND A SERVICE CONTROL DEVICE OF A HOME NETWORK

摘要

PURPOSE: A pre-paid system during oversea roaming and a method thereof and a home location register therefor are provided to process pre-payment through a service control device of a home network even though a foreign visitor network does not perform an intelligent network function.;CONSTITUTION: If an HLR(Home Location Register)(200) receives a request message for state reference of a called terminal, the HLR transmits a message for state reference of the called terminal to a visitor network exchange(106). If a called terminal(102) is in a normal state and a called terminal user is a pre-paid charge subscriber, the HLR transmits a request message for pre-paid charge processing to a home network exchange. If the home network exchange receives the request message for pre-paid charge processing from the HLR, the home network exchange requests a pre-payment process about the received call to a service control device(110).;COPYRIGHT KIPO 2010