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    A METHOD TO AUTOMATICALLY SWITCH A SUBSCRIPTION BETWEEN TELECOMMUNICATION NETWORKS
    1.
    发明公开
    A METHOD TO AUTOMATICALLY SWITCH A SUBSCRIPTION BETWEEN TELECOMMUNICATION NETWORKS 审中-公开

    公开(公告)号：EP3852443A1

    公开(公告)日：2021-07-21

    申请号：EP20305036.4

    申请日：2020-01-16

    申请人： THALES DIS FRANCE SA

    发明人： PHAN, Ly-Thanh ,  DANY, Vincent ,  GROS, Jean-François

    IPC分类号： H04W48/18 ,  H04W8/18

    摘要： The invention concerns a method for connecting a terminal cooperating with a secure element to a second network, the secure element having a subscription from a first network whilst the secure element is roaming on a third network, the secure element storing the PLMN code of the second network, called second PLMN code, and the PLMN code of the third network, called third PLMN code, the second PLMN code having a higher priority than the third PLMN code in the OPLMN roaming file, the second PLMN having no roaming agreement with the first network nor the third network, and the third network having a coverage that overlaps at least a part of the coverage of the second network, the method comprising, when it is detected that the second network has rejected the attachment request of the terminal:
    a - Storing in the EF_IMSI file an IMSI, called second IMSI, from the second network and allocating the associated key Ki to this second IMSI;
    b - Sending from the secure element to the terminal a Refresh command;
    c - Launching an authentication procedure with the second IMSI and the associated key Ki in order to connect the terminal to the second network

    A METHOD TO ENABLE A MULTI-IMSI SOLUTION WITHIN 5G NETWORKS
    5.
    发明公开
    A METHOD TO ENABLE A MULTI-IMSI SOLUTION WITHIN 5G NETWORKS 审中-公开

    公开(公告)号：EP3820180A1

    公开(公告)日：2021-05-12

    申请号：EP19306430.0

    申请日：2019-11-05

    申请人： THALES DIS FRANCE SA

    发明人： VOYER, Jérôme ,  DANY, Vincent ,  GROS, Jean-François

    IPC分类号： H04W12/00 ,  H04W12/06

    摘要： The invention concerns a method for attaching a terminal cooperating with a secure element to the network of a MNO of a visited country (500) when detecting the terminal being in the visited country (500), the method comprising:
    - Switching a set of files of the secure element to a new value, including a new SUPI, called entity support SUPI, corresponding to a support entity (501, 502), the new value corresponding to a SUPI recognized by the support entity (501, 502);
    - Building at the level of the secure element an entity support SUCI, with a corresponding public key, called entity support public key, and a routing ID, called entity support routing ID;
    - Routing an attachment request to the support entity (501, 502) with the entity support SUCI;
    - Decrypting in the support entity (501, 502) the entity support SUCI back in the entity support SUPI;
    - Swapping at the level of the support entity (501, 502) the support entity SUPI to the SUPI corresponding to the MNO of the home country (503) of the terminal;
    - Sending the attachment request from the support entity (501, 502) to the network of the MNO of the home country (503);
    - Performing an authentication of the secure element at the level of the MNO of the home country (503) thanks to the SUPI;
    - If the authentication is positive at the level of the MNO of the home country (503), sending from the MNO of the home country (503) to the MNO of the visited country (500) an attachment acknowledgement message in order to connect the terminal to the network of the MNO of the visited country (500).

    A SYSTEM FOR CONNECTING A TELECOMMUNICATION TERMINAL TO A NATIONAL NETWORK AND CORRESPONDING SECURE ELEMENT AND TERMINAL
    6.
    发明公开
    A SYSTEM FOR CONNECTING A TELECOMMUNICATION TERMINAL TO A NATIONAL NETWORK AND CORRESPONDING SECURE ELEMENT AND TERMINAL 审中-公开

    公开(公告)号：EP3713309A1

    公开(公告)日：2020-09-23

    申请号：EP19305327.9

    申请日：2019-03-18

    申请人： Thales Dis France SA

    发明人： GROS, Jean-François ,  PHAN, Ly Thanh ,  DANY, Vincent

    IPC分类号： H04W48/18 ,  H04W8/18 ,  H04W88/02

    摘要： The invention proposes a system comprising a secure element (20) cooperating with a telecommunication terminal, the secure element (20) or the terminal comprising files in which MCC/MNC codes of MNOs are stored, the telecommunication terminal being configured to select the files in order to try to attach the terminal to the telecommunication network of a MNO, wherein the secure element (20) or the terminal also comprises a file, called National like network file, storing national network codes (MCC/MNC) of networks of the country of the Home PLMN of the secure element (20), the terminal selecting the National like network file in order to try to connect the terminal to one of the networks referenced in the National like network file, the terminal being configured to regularly check whether Home PLMN or a PLMN present in the EHPLMN file is available, if the EHPLMN file exists, in order to connect the terminal to the Home PLMN or to the PLMN of the EHPLMN file.