Device for reducing facsimile signal sound detection overhead and its method

A technology of fax signal and signal detector, which is applied in the direction of transmission system, network connection, electrical components, etc., can solve the problem of reducing the cost of fax signal tone detection, etc., and achieve the effect of reducing additional detection cost, reducing extra cost, and reducing detection cost

Inactive Publication Date: 2010-05-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a device and method for reducing the overhead of facsimile signal tone detection, so as to solve the problem of realizing the facsimile service in an IP network while reducing the need for facsimile tone detection for all voice calls on the TDM side. And the problem of MGW extra overhead

Method used

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  • Device for reducing facsimile signal sound detection overhead and its method
  • Device for reducing facsimile signal sound detection overhead and its method
  • Device for reducing facsimile signal sound detection overhead and its method

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Embodiment Construction

[0026] Such as figure 1 As shown, it is a system structure diagram of the present invention to realize the function of facsimile signal tone detection and overhead reduction.

[0027] The device for reducing the overhead of fax signal tone detection described in the present invention exists in the MGW102; the T network connected to the MGW102 and the fax terminal 103 constitute the TDM side; the fax terminal 103 can perform fax services or voice services, or Mixed use of voice and fax.

[0028] Such as figure 2 As shown, it is a device diagram of the present invention to realize the function of facsimile signal tone detection and overhead reduction.

[0029] The sampling detection controller 201, as a control center, flexibly controls the signal detector 203 according to the preset parameter configuration received from the MGC when the session is established, and the detection of suspicious fax signals reported by the signal detector 203 during the session. operation;

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Abstract

This invention discloses a device and a method for reducing cost of testing Fax signal sounds including: a local clock unit used in generating local time primary standard, a sample test controller used in controlling discontinuous start up and pause of the signal tester based on preset time parameter with the local clock as the primary standard and keeping time synchronization with received code streams to sample the received signals.

Description

technical field [0001] The present invention relates to a detection method of MGW (Media GateWay, media gateway) in an IP (Internet Protocol) network system on facsimile signal tones, in particular to a device for reducing the detection overhead of facsimile signal tones to reduce the impact on MGW performance and capacity and methods. Background technique [0002] The fax function is an important function in the IP network. Currently, the IP network includes two services, TS61 and TS62. TS61 is an alternate service of voice and fax, and TS62 is an automatic fax service. The types of fax include mobile to mobile, mobile to fixed phone, fixed phone to mobile, and fixed phone to fixed phone (where mobile refers to 2G fax terminals). The transmission of the fax service on the IP network has two transmission modes: G.711 transparent transmission and T.38 IFP (Internet Facsimile Protocol, Internet Fax Protocol). [0003] There are two cases for the establishment of a fax call. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/66
Inventor 卢华陈翔童小九
Owner ZTE CORP
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