Patent ID: 11974358

Abstract:
A method for transmitting a subscription profile that includes transmitting from a POS of the MNO the unique identifier of the secure element to a SM-DP; creating or reserving the subscription profile at the SM-DP; provisioning in a D-HSS server having the first MCC/MNC the unique identifier and a temporary IMSI including a second MCC, a second MNC; provisioning in the HSS of the MNO the temporary IMSI and an ephemeral Ki; at the first attempt of the secure element to connect to the D-HSS server with its temporary profile, exchanging data in signaling messages between the secure element and the D-HSS for provisioning the secure element with the temporary IMSI; at the next attempt of the secure element to connect to the MNO network with the temporary IMSI, open an APN and send from the SM-DP to the secure element the subscription profile.