| 摘要 |
<p>A method and system for changing the Selected Home Operator(SHO) of a Machine to Machine Equipment(M2ME) are disclosed. The method includes: the M2ME establishing a connection with a Registration Operator(RO) through the Trusted Environment(TRE) function entity, the RO registering the M2ME in the new SHO; the new SHO sending the new International Mobile Subscriber Identity(IMSI) to the RO or authorizing the RO to provide the new IMSI after it has passed the verification of the M2ME by the Platform Verification Authorization(PVA); the RO sending the new IMSI to the M2ME through the connection established by the TRE function entity; the M2ME replacing the old IMSI of the Universal Integrated Circuit Card(UICC) with the new IMSI; in which the UICC and the TRE function entity are all located on the M2ME. The scheme makes the M2ME be integrated with the initial connection provided by the TRE function entity and the high safety of the UICC, realizes the alteration of the SHO of the M2ME, and ensures the safety of the IMSI and the Machine Communication Identity Module(MCIM).</p> |
