METHOD FOR SHIFTING SUBSCRIBER TO ANOTHER RADIO COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To obtain a system for shifting a subscriber already joined a 1st radio communication system to a 2nd radio communication system by relating information being the characteristics of a radio device to subscriber's information corresponding to an already jointed subscriber related at least to one code. SOLUTION: Information being the characteristics of the radio device 55 is related to subscriber's information corresponding to an already jointed subscriber related at least to one code. When the 1st radio communication system 10a is shifted to the 2nd radio communication system 10b, the subscriber's information corresponding to the system 10a is stored in a location coincident with a location in the system 10b and/or a different location. In shifting the subscriber to the system 10b, a service provider provides the subscriber's information to a subscriber shift system in order to shift the format of the subscriber to a format allowed to be used for the system 10b.