SYSTEM AND METHOD FOR PROVIDING ROAMING SUBSCRIBER WITH ADDITIONAL SERVICE

摘要

The present invention relates to a system and a method for easily providing various additional services capable of using in a country of a visited network without an additional request in the visited network by a mobile communications subscriber for roaming from a home network to the visited network. According to an aspect of the present invention, a roaming system to provide an additional service to a mobile communications terminal roaming from a home network to a visited network, comprises an authentication server for the home network for receiving an additional service authentication request on the mobile communications terminal registered in the visited network, and transmitting an authentication response on the request to the visited network.