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Signaling transport method when next generation network and public telephone switched network interconnection

A public telephone, a next-generation technology, applied in the field of communication, can solve the problem of low reliability and achieve the effect of high reliability

Inactive Publication Date: 2008-12-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is: to overcome the shortcomings of the SIGTRAN signaling link in the prior art that centralized signaling messages may be sent to non-master signaling processing entities and have low reliability, and provide a next-generation network and public telephone exchange The method of signaling transmission during network interconnection not only improves the reliability of the SIGTRAN link, but also ensures the accuracy of signaling message transmission

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  • Signaling transport method when next generation network and public telephone switched network interconnection
  • Signaling transport method when next generation network and public telephone switched network interconnection
  • Signaling transport method when next generation network and public telephone switched network interconnection

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Embodiment Construction

[0020] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0021] The invention provides a method for realizing a SIGTRAN link, which solves the problem that mutual exclusion cannot be realized between SIGTRAN links in the link concentration of the prior art, and signaling messages may be sent to non-master signaling when a new signaling link is enabled. The shortcomings of entities are dealt with, and at the same time, the problem of low reliability that may result in partial signaling loss is solved when the prior art adopts the technical solution of enabling only one link at the same time.

[0022] Such as Figure 4 As shown, in the SIGTRAN protocol stack inside the SG, a plurality of SIGTRAN signaling links are specified for one or a group of TDM signaling links, and when a SIGTRAN signaling link set is formed, the present invention divides the link set into more than one subset of ( Figure 4 2 subsets), ea...

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Abstract

This invention refers to the signalling transmission method for next generation and general switched telephone network. It contains one or one group TDM signalling link corresponding several SIGTRAN link composed link set in signalling gateway between NGN and PSTN, dividing SIGTRAN link set to at least one subset, corresponding signalling link in same subset with same signalling processing entity, signalling link in same subset can be used simultaneity, when any signalling link in one subset is used, forbidding other any subset link to be used. Said invention raises reliability and avoids transmitting messages to non - top management MGC.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a signaling transmission method for interconnection between a next-generation network (NGN) and a public switched telephone network (PSTN). Background technique [0002] Such as figure 1 As shown, when the next generation network (NGN) and the traditional public switched telephone network (PSTN) are interconnected, a signaling gateway (SG) usually needs to exist on the border of the NGN network. The main role of the signaling gateway is to terminate the time division multiplexing mode (TDM) signaling link, carry the signaling message carried on it on the signaling transport protocol (SIGTRAN), and transmit it to the signaling processing entity of the NGN network, such as Media Gateway Controller (MGC) for processing. [0003] In order to provide the reliability of signaling message transmission and processing, one or more SIGTRAN signaling links are usually specified for ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L12/46
Inventor 赵波
Owner HUAWEI TECH CO LTD