COMMUNICATIONS SYSTEM, MOBILE COMMUNICATIONS DEVICE, TRANSITION CONTROL DEVICE, TRANSITION CONTROL METHOD, AND TRANSITION CONTROL PROGRAM

摘要

In order to perform SM swap efficiently, a mobile communication device 1 that performs mobile communication includes: an attachment unit 10 for attaching thereto an embedded subscriber identity module (eSIM) 11 that stores therein an Operational Profile (OP) and a Provisioning Profile (PP); a PP reception unit 13 for receiving, through a mobile communication network 4a associated with the OP stored in the eSIM 11, the PP associated with an Subscription Manager (SM) 3b corresponding to a destination mobile communication network 4b, and storing the received PP in the eSIM 11; and an OP reception unit 15 for performing communication with the SM 3b using the stored PP associated with the SM 3b to receive the OP associated with the mobile communication network 4b, and storing the received OP in the eSIM 11.