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Processing method when P-CSCF actively deletes user data

A technology of P-CSCF and user data, applied in the field of IP multimedia subsystem, can solve the problem of data inconsistency in the whole network, and achieve the effect of ensuring consistency

Inactive Publication Date: 2008-06-11
ZTE CORP
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  • Claims
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AI Technical Summary

Problems solved by technology

[0026] Considering the problem of inconsistent data in the whole network when P-CSCF actively deletes user data in the related art, the present invention is proposed

Method used

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  • Processing method when P-CSCF actively deletes user data
  • Processing method when P-CSCF actively deletes user data
  • Processing method when P-CSCF actively deletes user data

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Embodiment Construction

[0041] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0042] According to an embodiment of the present invention, a data processing method when P-CSCF actively deletes user data is provided. The method is especially applicable to IMS. For example, the present invention can be implemented in the IMS environment shown in FIG. 1 .

[0043] As mentioned above, in related technologies, when the P-CSCF actively deletes local user data (for example, the current P-CSCF uses the OPTIONS mechanism to detect whether the UE is available, when it detects that the UE is unavailable, the P-CSCF actively deletes the data according to the local policy configuration local user data, or O&M requirements), the S-CSCF, HSS, and AS cannot be...

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Abstract

The invention discloses a processing method when P-CSCF deletes user data actively, which includes the following processing: P-CSCF deletes the local user data actively; P-CSCF creates and sends a subscription request to S-CSCF via I-CSCF, wherein an identification with P-CSCF actively deleting user data is carried in the subscription request, which is used to indicate that the subscription request is produced because P-CSCF deletes the user data actively, and indicate S-CSCF to execute user logoff operation; S-CSCF detects the identification that P-CSCF actively deletes user data after receiving the subscription request and executes logoff operation; S-CSCF construction subscription is responded successfully and the successful respond is sent to P-CSCF via I-CSCF.

Description

technical field [0001] The present invention relates to the field of communication, in particular to a processing method when P-CSCF (Proxy CallSession Control Function, proxy call session control function) actively deletes user data. Network data consistency. Background technique [0002] The IP (Internet Protocol, Internet Protocol) multimedia subsystem (IPMultimedia Core Network Subsystem, IMS for short) is based on the SIP protocol (an application layer protocol that creates, modifies, and terminates sessions between two or more parties). The session control function entity (Call Session Control Function, CSCF) completes registration, session and session-independent functions. [0003] Figure 1 is a schematic diagram of the existing IMS network architecture, which mainly involves the following network elements and equipment: UE (User Equipment) is user equipment; P-CSCF (Proxy Call Session Control Function, proxy call session control function) is used to perform proxy c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04L29/06
Inventor 黄晓晴缪永生郝振武
Owner ZTE CORP
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