Patent ID: 8472947
Filing Date: 2013-06-25
Classification: H04W

Abstract:
1. A call processing system for mobile communication terminals, comprising: a gateway location register configured to generate a Database (DB) for international roaming service subscriber; and a roaming control unit configured to register a location of a mobile communication terminal, to determine whether a call originates using a primary number (primary No.) or a secondary number (secondary No.) in the international roaming service on a basis of originating service provider information and a called number, included in a call origination signal from the mobile communication terminal, and to send a signal corresponding to a result of the determination to a mobile switching center of a network in which the mobile communication terminal is located, wherein the international roaming service assigns the primary number in a home network and assigns the secondary number in a partner network; and wherein when the mobile communication terminal is located in the partner network: