Voice, Modem and Fax full control method

A control method and voice technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as unrealized services

Inactive Publication Date: 2013-02-27
阳信县润田棉业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is no signaling negotiation mechanism defined between control devices, if two intercommunicating control devices use different negotiation mechanisms, these services will not be realized

Method used

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  • Voice, Modem and Fax full control method
  • Voice, Modem and Fax full control method
  • Voice, Modem and Fax full control method

Examples

Experimental program
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Embodiment Construction

[0043] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0044] Reference figure 1 As shown, the softswitch equipment includes a first softswitch (Softswitch1) and a second softswitch (softswitch2). The first softswitch (Softswitch1) and the second softswitch (softswitch2) are the core control equipment of the NGN network and are deployed on the IP network. . Communication between the two softswitches is achieved through the IP protocol, such as the SIP protocol.

[0045] The gateway device includes a first media gateway and a second media gateway. The first media gateway and the second media gateway are gateway access devices that are used to access terminal devices and accept the control of soft switch devices. The gateway device and the softswitch device communicate through the IP protocol, such as H.248, SIP, etc.

[0046] Modem terminal 1 and Modem terminal 2 are TDM circuit interface facsimile d...

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PUM

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Abstract

The disclosed full control method for all of speech, Modem and Fax comprises: the calling user builds speech carrying channel; the first media gateway notifies the first soft exchange for the detected Fax or Modem affair; the latter indicates the first media gateway to switch into fax or modem state; the first soft exchange initiates the negotiation and building request for the fax media flow to the second soft exchange; the latter receives message and indicates the second media gateway to switch into fax or modem state; then the second soft exchange matches the fax or modem capacity with the initiator through signaling message; finally, the calling builds fax or modem channel with the called.

Description

Technical field [0001] The present invention relates to a next-generation network (NGN) technology, in particular to a method for full control of voice, Modem and Fax. Background technique [0002] The traditional TDM network implements modem and fax services through capacity negotiation between terminal devices after establishing a voice bearer channel between the calling party and the called party. The network equipment does not participate in the process of terminal equipment capability negotiation, and the signaling is transparently transmitted through the bearer channel to realize the capability negotiation process between the calling device and the called device. [0003] NGN network gateway equipment has become a relatively mature technology for modem and fax signal detection, which provides a foundation for the NGN network's modem and fax full control technology. NGN is based on softswitch as its core and can provide integrated multimedia services such as voice, video, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L12/26H04N1/00H04L29/06
Inventor 连伟良
Owner 阳信县润田棉业有限公司
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