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Media gateway and call processing method

A media gateway and media technology, applied in the direction of network connection, radio/induction link selection and arrangement, selection of devices, etc., can solve the problem of inability to meet the security requirements of carrier-class services, and achieve the effect of meeting the security requirements of services

Inactive Publication Date: 2008-01-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the number of supported E1 / T1 ports is relatively large, it will not be able to meet the carrier-class business security requirements without taking backup measures

Method used

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  • Media gateway and call processing method

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Embodiment Construction

[0038] The realization of the present invention is based on the active and standby working mode. The so-called active-standby working mode refers to a fault-tolerant strategy that uses resource redundancy to configure more than one (most commonly two) components with the same function to complete a function in order to improve the availability of a certain functional part in the system. ;During normal operation, there is only one component in the system that completes the corresponding function, which is called the primary use, and the other components are in the standby state, which is called the standby; work to ensure the stable operation of the system; the transition of the working state between the active and standby components is called active-standby switchover.

[0039] The media gateway in the present invention adopts the active and standby working mode. After the media gateway receives the E1 / T1 signal, the line signaling processing unit extracts the line signaling ...

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Abstract

The invention discloses a media network gate and a relative call processing method, wherein a circuit signal processor and a call control and process unit of the media network gate are both provided as main and backup types, when in accident, a conversion controller converts the E1 / T1 service treated by main units into backup units, the conversion controller further comprises a judgment processor for judging if the call of E1 / T1 signal in conversion is stable, and starting the called backup data when the call is stable. And the method comprises that the media network gate receives E1 / T1 signal, the circuit signal processor extracts circuit signal of channel-associated signal in the circuit to process state machine, the main and backup circuit signal processors and the call control and process unit backup data, and when in conversion after accident, starting backup data in stable call. The invention can realize the call backup of E1 / T1 signal in channel-associated signaling condition, which can hold stable communication in accident.

Description

technical field [0001] The invention relates to a VoIP (Voice over IP) telephone communication system, in particular to a media gateway and a call processing method thereof. Background technique [0002] Voice communication through the Internet is a very complex system engineering with a wide range of applications, so it involves a lot of technologies. The most fundamental technology is VoIP (Voice over IP) technology. It can be said that Internet voice communication is a VoIP technology. One of the most typical and promising application fields. VoIP (Voice over IP) is a new type of application that combines Internet functions with public switched telecommunication network functions. Although VoIP mainly focuses on voice services, it can also be used to carry other applications with sessions and multimedia applications, such as fax, video and data. The convergence of the Internet and the public switched telecommunications network can provide more efficient network usage, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/66H04Q7/24H04Q7/38
Inventor 李琥
Owner HUAWEI TECH CO LTD
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