Method and Apparatus for Automatically Updating Change of Preferred Business Network to Mobile Station

摘要

The present invention for outbound when roaming attempts, preferences change or prohibited provider of carrier network through the intelligent network node RSCP of the home network net other non-preferred provider network to the home network from a mobile terminal in foreign visited network using international roaming services by the information to update the USIM card into the SMS-based according to the OTA protocol to notify the UMC roaming terminal from UMC, directly managed by UMC bulk transmission failure or accordingly if you request the change to all roaming terminal It relates to access network information update for international roaming, which can reduce the cost and occurrence of heavy traffic the method and apparatus. Terminal information updating method according to the present invention, location performing a registration, or location registration updating, the following the steps based on the information used in the course of the location registration or location registration updating determining whether the service changes, and the determination by sending a control message to the terminals comprises the step of updating the information managed in the terminal. ; OB (Out Bound) roaming, OTA SMS, USIM, preferred providers, non-preferred providers