Roaming service method of international mobile phone manganese or heterogeneous mobile phone manganese

摘要

The present invention relates to a method of roaming service between an international mobile telephone or a heterogeneous mobile telephone network, in which a mobile telephone subscriber can receive all calls received at his / her own number while traveling in a foreign country as well as his / In the case where the subscriber is in an arbitrary area served by using a heterogeneous system having a different interface standard, an international mobile phone service or an international mobile phone service that enables a mobile phone service regardless of the current service location of the service provider, A first step of translating the roaming service code, the own telephone number and the password of the roaming service into a home location register before the roaming service registration request after receiving the roaming service number if the roaming service registration request is made,; A second step of requesting location information of a called subscriber upon receiving an incoming call setup request and setting a call path to the moved home location register upon receipt of an unconditional redirection number in an incoming location information response message; And a third step of translating the roaming service code, the own telephone number and the password thereof and releasing the unconditional transfer service registration of the home location register before the movement after receiving the calling terminal number if the roaming service registration cancellation request is made, Service can be performed, the burden on enormous development cost expected in the change process can be reduced, time can be saved, and service quality can be prevented from deteriorating.