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Method and system, soft switch and gateway for call processing

A technology of call processing and soft switching, which is applied in the field of mobile communication, can solve the problems of low call processing speed and long response time of the gateway, and achieve the effect of improving processing speed and response speed

Inactive Publication Date: 2011-07-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides an improved call processing solution to solve the problems of long gateway response time and low processing speed of the entire call existing in the prior art

Method used

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  • Method and system, soft switch and gateway for call processing
  • Method and system, soft switch and gateway for call processing

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Embodiment Construction

[0023] Functional Overview

[0024] In the prior art, since the calling party can only set the media encoding format adopted by the media codec, the remote media IP address, and the remote media port number after receiving the response from the called party, the gateway response time is relatively long. Affected the processing speed of the entire call. Since most of the calls in the softswitch network can know the media negotiation result in advance, before the media negotiation in the embodiment of the present invention, the SS of the calling party will use the media type of this call, the default remote media port number and The default remote media IP is sent to the gateway device of the calling party, and the gateway device configures the media parameters of the codec according to the received parameters. After media negotiation, the SS of the calling party sends the negotiation result to the gateway of the calling party device, and also send a flag to the gateway device,...

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Abstract

The invention discloses a calling processing method and a system, a softswitch SS and a gateway. The method comprises: a calling SS sends an adding message with a default configuration parameter to a calling gateway after the calling, and indicates the gateway to configure a calling encoding and decoding machine according to the default configuration parameter. The default configuration parametercomprises: a calling used media type, a default distal media port number and a default distal media IP address. The calling SS sends a media description request to a called SS, receives a media description response with a called media port number and a called media IP address returned from the called SS, and sends a modified message to the calling gateway, wherein the modified message has a simplified processing mark, the simplified processing mark indicates the calling gateway to renew the media parameter of the calling encoding and decoding machine by using the called media IP address and the called media port number. The technique scheme of the invention can improve the response speed of the gateway.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a call processing method and system, a softswitch and a gateway. Background technique [0002] A softswitch network is a network in which call control and access are separated, and it includes: a gateway device and a softswitch (SoftSwitch, referred to as SS). deal with. [0003] The bearer network of the softswitch network is an IP network, and its media is also encapsulated into IP packets in a corresponding encoding format for transmission. At present, the media negotiation process in the softswitch network mainly includes: the requester of the communication sends a media description request to the responder, and the request carries the media types supported by the requester in sequence, and the responder returns to the responder through a media description response message The media type to be used. After receiving the response message, the requester confirms t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04M7/00
Inventor 何乃良孟令财张全信吕严
Owner ZTE CORP
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