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    METHOD, AND RELATED APPARATUS FOR RECOVERING CALLED SERVICE OF TERMINAL
    2.
    发明申请
    METHOD, AND RELATED APPARATUS FOR RECOVERING CALLED SERVICE OF TERMINAL 有权
    用于恢复终端呼叫服务的方法和相关装置

    公开(公告)号：US20160156678A1

    公开(公告)日：2016-06-02

    申请号：US15015008

    申请日：2016-02-03

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： He LI ,  Jinzhou YE ,  Ridong XU ,  Biao ZHANG ,  Shufeng SHI ,  Boqiang LUO

    IPC: H04L29/06 ,  H04L12/14

    CPC classification number: H04L65/1069 ,  H04L12/1407 ,  H04L41/0668 ,  H04L41/0893 ,  H04L43/10 ,  H04L65/00 ,  H04L65/1016 ,  H04L65/1046 ,  H04L65/1073 ,  H04L69/40

    Abstract: Embodiments of the present invention disclose a method, a related apparatus, and a system for recovering a called service of a terminal, and the method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function P-CSCF entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.

    Abstract translation: 本发明的实施例公开了一种用于恢复终端的被叫业务的方法，相关装置和系统，并且所述方法包括：当接收到用户终端的被叫请求时，查询初始代理呼叫会话控制功能 用户终端当前注册的P-CSCF实体; 如果检测到初始P-CSCF有故障，则选择可用的P-CSCF并向可用P-CSCF发送携带冗余标识符的通知消息，其中使用冗余标识符来指示可用P- CSCF触发用户终端向P-CSCF重新注册; 并且当接收到由用户终端重新注册的P-CSCF发送的注册完成消息时，将被叫请求发送到重新注册的P-CSCF以承载用户终端的被叫服务。

    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL
    3.
    发明申请
    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL 有权

    公开(公告)号：US20210218781A1

    公开(公告)日：2021-07-15

    申请号：US17214540

    申请日：2021-03-26

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： He LI ,  Jinzhou YE ,  Ridong XU ,  Biao ZHANG ,  Shufeng SHI ,  Boqiang LUO

    IPC: H04L29/06 ,  H04L12/14 ,  H04L12/24 ,  H04L29/14

    Abstract: A method, a related apparatus, and a system for recovering a called service of a terminal are provided. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.

    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL
    4.
    发明申请
    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL 审中-公开

    公开(公告)号：US20190319992A1

    公开(公告)日：2019-10-17

    申请号：US16455749

    申请日：2019-06-28

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： He LI ,  Jinzhou YE ,  Ridong XU ,  Biao ZHANG ,  Shufeng SHI ,  Boqiang LUO

    IPC: H04L29/06 ,  H04L12/14 ,  H04L29/14 ,  H04L12/24

    Abstract: A method, a related apparatus, and a system for recovering a called service of a terminal are provided. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.

    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL
    5.
    发明申请
    METHOD, RELATED APPARATUS, AND SYSTEM FOR RECOVERING CALLED SERVICE OF TERMINAL 审中-公开

    公开(公告)号：US20190036982A1

    公开(公告)日：2019-01-31

    申请号：US16146813

    申请日：2018-09-28

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： He LI ,  Jinzhou YE ,  Ridong XU ,  Biao ZHANG ,  Shufeng SHI ,  Boqiang LUO

    IPC: H04L29/06 ,  H04L29/14 ,  H04L12/24 ,  H04L12/14 ,  H04L12/26

    Abstract: A method, a related apparatus, and a system for recovering a called service of a terminal are provided. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.

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