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Data transmission method and system

A data transmission method and a technology of a data transmission system, applied in the field of data communication, can solve problems such as inconsistent routes of multiple IP links, affecting communication quality, and data out-of-sync, and achieve the effect of avoiding data out-of-sync

Inactive Publication Date: 2009-06-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that in the ISDN data transmission process, due to the inconsistent routing of multiple IP links, the data is not synchronized and the communication quality is affected

Method used

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  • Data transmission method and system

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] In the present invention, no matter how much bandwidth the calling ISDN terminal uses to make a call, only one IP link is used to transmit data between the calling media gateway and the called media gateway. Inconsistency causes data aggregation failure of the called ISDN terminal and affects normal communication.

[0041] Such as figure 2 As shown, as an embodiment of the present invention, the calling media gateway terminates the H.221 protocol process after receiving the H.221 message packet sent by the calling ISDN terminal through multiple circuits, and the H.221 protocol process sent...

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Abstract

A data transmission system and method, including the steps of: a calling media gateway receiving message packets transmitted by a calling ISDN terminal through a plurality of calling circuits, and converting the message packets into data packets suitable for being transmitted through a single IP bearer link; the calling media gateway transmitting the data packets to a called media gateway through one IP bearer link; and the called media gateway parsing the data packets, and transmitting the parsed data packets to a called ISDN terminal through a plurality of called circuits. In the present invention, there is only one IP link between the two media gateways, and the delay is fixed when data of a plurality of links are passed across an IP network, therefore it is possible for the an multi-link ISDN call to avoid a data asynchrony due to inconsistencies of a plurality of IP link routes.

Description

technical field [0001] The invention belongs to the field of data communication, and in particular relates to a method and a system for transmitting data through an IP network in a next-generation network. Background technique [0002] Next Generation Network (NGN, Next Generation Network) is a public telecommunications network based on IP technology, which can accommodate various forms of information, and realize the transmission and management of audio, video, and data signals under a unified management platform. Providing various broadband applications and traditional telecommunication services, it is a comprehensive service network that truly realizes the integration of broadband and narrowband, wired and wireless, active and passive, and transmission and access. [0003] The next generation network supports ISDN (Integrated Services Digital Network, Integrated Services Digital Network) access and applications, such as figure 1 As shown, there are multiple telephone num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56
CPCH04L65/103H04Q2213/13389H04N7/148H04Q3/0045H04L29/06265H04L12/66H04L65/1043H04Q2213/13209H04Q11/0471H04Q2213/13296H04L29/06244H04L65/104H04L29/06272H04Q2213/13196
Inventor 肖福涛
Owner HUAWEI TECH CO LTD
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