USIM Method for Providing Foreign Call Originating based on Domestic Calls by Own Caller Number by using User USIM Equipped Emulating Device

摘要

The present invention relates to a domestic call-based overseas calling method of self-calling number using an emulating device equipped with a user universal subscriber identity module (USIM) and, more specifically, to a method executed through an application installed to a user wireless terminal, the emulating device having a function of emulating mobile communication-related operation by inserting the user USIM issued to a user, and an operating server communicating with the application of the user wireless terminal and interfacing with the emulating device in which the user USIM is inserted through the Internet.