Method for preventing re-trigging of intelligent user attribute register

A technology of user attributes and repeated triggering, which is applied to electrical components, transmission systems, etc., can solve problems such as repeated triggering, and achieve the effect of preventing repeated triggering and avoiding repeated triggering

Inactive Publication Date: 2009-09-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the call is connected to the application server, the application server may send the original caller and called party to the softswitch, but from the perspective of the softswitch, it is a brand new call, that is, the call reported to the application server by the softswitch and processed by the application server The sent calls are two independent calls on the softswitch without any correlation, which may cause repeated triggers

Method used

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  • Method for preventing re-trigging of intelligent user attribute register
  • Method for preventing re-trigging of intelligent user attribute register
  • Method for preventing re-trigging of intelligent user attribute register

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Embodiment Construction

[0022] The best embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] The format of the SIP header field message in this embodiment is as follows image 3 Shown: Using the scalability of the SIP protocol itself, a new X-ASSOCIATED-ID header field is added to the SIP INVITE message header field, which is specially used to carry the calling module information and the service access code sent by SHLR. Wherein, the module information of the call is a feature identification field inside the softswitch. Since the SIP message itself is in a highly readable text format, it is extremely convenient to package and analyze the message. The softswitch fills the module information of this call and the service access code returned by SHLR into the X-ASSOCIATED-ID field, and for the user's direct dial access code, the softswitch analyzes it to obtain the service access code and fills it in X-ASSOCIATED-ID field. The appl...

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Abstract

The present invention relates to the field of value-added services of softswitches, in particular to a method for preventing repeated triggering of intelligent user attribute registers: the softswitch adds a header field to the header field of the INVITE message of the SIP protocol, carrying the module information and service access code of the call ; The application server transparently transmits the header field to the softswitch. The method comprises the following steps: the soft switch obtains the user intelligent service access code by querying the intelligent user attribute register; the soft switch sends the initial call request, and carries the module information of the call in the newly added field X-ASSOCIATED-ID of the INVITE message header field and service access code; the application server processes the call request of the softswitch, and transparently transmits the newly added field to the softswitch; the softswitch judges that the request is the response of the application server based on the information of the newly added field, and performs subsequent call routing analysis. This processing method provided by the softswitch prevents repeated triggering of the SHLR.

Description

technical field [0001] The invention relates to the field of value-added services of soft switches, in particular to a method for preventing repeated triggering of SHLR (Smart Home Location Register: smart user attribute register). Background technique [0002] Soft Switch (Soft Switch) is a core device for the evolution from a circuit-switched network to a packet network, and is also one of the important devices for the next-generation telecommunication network. Softswitch is independent of the underlying bearer protocol, and mainly completes call control, media gateway access control, resource allocation, protocol processing, routing, authentication, billing and other main functions, and can provide users with all services that existing circuit switches can provide As well as diversified third-party services, its main features are: service provision and call control are separated; call control and bearer connection are separated; open interfaces are convenient for third pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
Inventor 马卫军夏鹏
Owner HUAWEI TECH CO LTD
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