User registration method for IP multimedia subsystem network
A multimedia subsystem and user technology, applied in the field of communication, can solve the problems of inconsistent user registration status, users unable to successfully refresh registration, etc.
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no. 1 example
[0073] Figure 4 It is a flow chart of the user registration method of the IMS network in the first embodiment of the present invention; in this embodiment, the HSS independently solves the problem of inconsistency in user registration status, and is applicable to the restart and failure recovery of the S-CSCF serving the UE, or reselection for the UE In the case of S-CSCF, the specific steps are as follows:
[0074] S401~S407, same as steps S301~S307;
[0075] S408-S409, after receiving the user data configuration request sent by the S-CSCF, the HSS recognizes the initial registration identifier in the request (that is, the value of Server Assignment Type is REGISTRATION, or the registration status of the user is Not Registered) , and the registration status of the user recorded locally is Registered; in this case, the HSS does not return a user data configuration failure response, but includes the user's subscription data and billing address information in the user data con...
no. 2 example
[0080] Figure 5 It is a flow chart of the user registration method of the IMS network in the second embodiment of the present invention; in this embodiment, the S-CSCF carries a special mark (may be called a user data unavailable mark) in the user data configuration request to notify the HSS that there is no available user locally Data, HSS is required to solve the problem of inconsistent user registration status. The special flag carried in the user data configuration request can be: restart or failure recovery label: used to identify the user data that is unavailable after the S-CSCF allocated to the UE restarts or fails. ; or reselection label: used to indicate that the S-CSCF that previously served the UE is unavailable, and the I-CSCF has reselected a new S-CSCF for the UE; this embodiment is also applicable to the restart and failure of the S-CSCF serving the UE Recovery, or the case where the S-CSCF is reselected for the UE; specifically, the following steps are includ...
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