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Method for Notification of Centralized Service Registration Status in IP Multimedia Subsystem

A technology of multimedia subsystem and centralized service, applied in the field of notification of registration status of IP multimedia subsystem centralized service, can solve the problems of discontinuous service and failure to update user data in time, and achieve the effect of meeting service requirements

Inactive Publication Date: 2011-11-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] (2) When the user registration status changes due to mobile or other ICCC channel abnormalities, because the HSS cannot be informed of the change in the ICS registration status in time, the user data is not updated in time, resulting in discontinuous business
[0024] From the above analysis, it can be seen that if the HSS knows the registration status of the IMS centralized service, it is possible to solve the above problems, but the existing ICS registration mechanism cannot meet this requirement

Method used

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  • Method for Notification of Centralized Service Registration Status in IP Multimedia Subsystem
  • Method for Notification of Centralized Service Registration Status in IP Multimedia Subsystem
  • Method for Notification of Centralized Service Registration Status in IP Multimedia Subsystem

Examples

Experimental program
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Embodiment 1

[0063] image 3 The flow chart of IMS centralized service registration state notification during UE registration in the present invention describes the process of UE applying for IMS centralized service registration in the state of IMS centralized service unregistered state.

[0064] 301. The UE sends an ICS registration request to the RUA;

[0065] 302. After the RUA accepts the ICS registration request, it sends the ICS registration notification to the HSS;

[0066] The registration notification includes the UE's user ID, the remote user agent's network ID, and whether there is user data in the remote user agent. Since it is the first registration, the RUA declares that it has no user data.

[0067] 303. The HSS updates the ICS registration status of the user, and changes from unregistered to registered according to the ICS registration status, and executes corresponding service control logic, such as updating CS domain user data and other operations;

[0068] 304. The HS...

Embodiment 2

[0075] Figure 4 It is a flow chart of notification of IMS centralized service registration state during timeout deregistration of the present invention, which describes that when the UE is already in the ICS registration state, because the re-registration process is not initiated within the registration timeout time, the registration timer expires and the deregistration process is triggered. The steps are:

[0076] 401, the RUA registration timer expires, triggering the logout process (this process is equivalent to receiving the ICS logout notification);

[0077] 402. The RUA executes the logout service control logic to delete the user ICS registration data;

[0078] 403. The RUA sends an ICS logout notification to the HSS;

[0079] The ICS logout notification includes UE user ID, remote user agent network ID, logout reason, etc. The logout reason here is timeout logout.

[0080] 404. The HSS updates the user ICS registration status, changes the ICS registration status fro...

Embodiment 3

[0084] Figure 5 It is a flowchart of IMS centralized service registration state notification when HSS is deregistered in the present invention, and describes the process of initiating ICS deregistration request by HSS when UE is already in ICS registration state.

[0085] 501. According to the service control logic of the HSS, the HSS sends an ICS logout request to the RUA, and the reason for the logout is HSS logout;

[0086] 502. The RUA executes the logout service control logic, and deletes the user ICS registration data;

[0087] 503. The RUA sends an ICS deregistration notification to the UE;

[0088] 504, the UE returns an ICS deregistration notification response to the RUA;

[0089] 505, RUA sends ICS logout request response to HSS

[0090] 506. The HSS updates the ICS registration status of the user, and changes from registered to unregistered status according to the ICS registration status, and executes corresponding service control logic, such as updating CS doma...

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Abstract

A method for notifying the state of IP multimedia subsystem centralized service registration, which is characterized in that it includes the following steps: a remote user agent receives an IP multimedia subsystem centralized service registration or cancellation request; if in the cancellation request, the reason for cancellation is not the home user server Logout, perform the following steps, if the registration request is not a re-registration request, also perform the following steps; the remote user agent sends the IP multimedia subsystem centralized service registration or cancellation notification to the home subscriber server accordingly; the home subscriber server updates the IP multimedia subsystem centralized service Business registration status. In the IMS centralized service, the present invention adopts a method in which the remote user agent notifies the HSS of the IMS centralized service registration or cancellation event during the registration or cancellation process, so that the HSS obtains the user's IMS centralized service registration status and applies it to the IMS centralized service. The purpose of the business control logic in HSS meets the business requirements.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for notification of centralized service registration status of an IP multimedia subsystem. Background technique [0002] IP (Internet Protocol, referred to as IP) multimedia subsystem (IPMultimedia Core Network Subsystem, referred to as IMS) is an IP-based network architecture proposed by the 3rd Generation Partnership Project (3rdGeneration Partnership Project, referred to as 3GPP). It builds an open and flexible business environment, supports multimedia applications, and provides users with rich multimedia services. [0003] IMS is an IP-based telecommunications network architecture and has nothing to do with access technology. In addition to providing services for packet access networks such as GPRS (General Packet Radio Service) and WLAN (Wireless Local Area Network, wireless local area network), it also provides It can provide services for mobile cellular networks such as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
Inventor 郝振武游世林
Owner ZTE CORP