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User registration method and device in access gateway control function system

A technology with access control and session control functions, applied in the field of communications, can solve the problems of no re-registration, system performance degradation, affecting normal business operations, etc., and achieve the effect of reducing business usage

Active Publication Date: 2011-05-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the relevant information of the IMS domain obtained through registration may also change, for example, S-CSCF exits the service, Service-Route information changes, etc. Currently, when the registration information is abnormal (may be caused by the change of the IMS domain), it cannot be detected by the user. It is known that it will not actively initiate the re-registration process. At this time, the abnormality of the registration information may affect the normal operation of the business, resulting in a decrease in system performance.

Method used

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  • User registration method and device in access gateway control function system
  • User registration method and device in access gateway control function system
  • User registration method and device in access gateway control function system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0044] In this embodiment, after the user registers, when the AGCF finds that the information obtained through registration is abnormal, it can take the initiative to re-register on behalf of the user, so as to regain valid registration information and continue to provide effective business services for the user. The user registration method of this embodiment is described in detail below, including:

[0045] Step 1. During the validity period of the registration, if the registration information is abnormal, the call cannot continue to use this information to provide subsequent services for the user, such as the S-CSCF network abnormality obtained through registration, Service-Route change, P-Associated-URI (in the IMS domain A header field of the SIP protocol stores the public user identity (PUI) information identifying an AGCF user in the IMS domain, and this information is used to determine the identity of the user in the IMS domain when the user registers and calls ) chang...

Embodiment 2

[0050] Figure 6 It is a detailed flowchart of the user registration method in the AGCF system according to the second embodiment. The specific steps are as follows:

[0051] step 1: figure 2 After the described process is completed, the CS domain user gateway successfully registers with the AGCF and obtains valid registration information, such as Service-Route, calling S-CSCF, and P-Associated-URI. During the validity period of the registration, if the registration information has not changed, it will not be re-registered;

[0052] Step 2: One or more users (virtual users, one-to-one corresponding to the entity users under the user gateway) in the AGCF detect that the registration information is abnormal, such as calling the S-CSCF to exit the service, Service-Route change, etc.

[0053] Step 3: The AGCF initiates a user registration process to the I-CSCF for the abnormal user detected.

[0054] Step 4: The AGCF receives the registration response 3xx / 4xx / 5xx / 6xx messages...

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Abstract

The invention provides a user registration method and a user registration device in an access gateway control function (AGCF) system. The method comprises the following steps that: a user successfully registers in an interrogating-call session control function (I-CSCF) network element through an AGCF entity; and when detecting that the registration information of the user is abnormal, the AGCF entity initiates re-registration to the I-CSCF network element for the user. The problem that system performance is reduced due to abnormal registration information in the related technology is solved, the re-registration can be initiated actively under the condition of the abnormal registration information to obtain effective service resources, and the subsequent service function of the user is met, so that the condition that the service using of the user is influenced due to the abnormal registration information is reduced.

Description

technical field [0001] The present invention relates to the communication field, in particular to a user registration method and an AGCF entity in an Access Gateway Control Function (AGCF for short) system. Background technique [0002] AGCF is the next generation network (TISPAN) of the European Telecommunications Standards Institute / European Telecommunications Standards Institute (ETSI). The functional entities specified in the NextGenerationNetwork (NGN) framework are located in the Public Switched Telephone Network / Integrated Services Digital Network Emulation subsystem (PES). The AGCF is the first connection point of the Residential Gateway (RG for short) and the Access Gateway (AG for short), and serves as the control media gateway entity (MediaGateway Controller, MGC for short), providing PSTN, ISDN emulation services; at the same time AGCF and Internet Protocol Multimedia Subsystem (IP multimedia subsystem, referred to as IMS) Inquiry-Call Session Control Function (...

Claims

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Application Information

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IPC IPC(8): H04W60/04
Inventor 刘泉
Owner ZTE CORP