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Routing method for realizing video frequency intercommunication for code division multiple access (CDMA) 2000 terminal and soft exchange terminal

A softswitch, video communication technology, used in data exchange networks, two-way working systems, digital transmission systems, etc.

Active Publication Date: 2015-01-14
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a routing method for realizing video intercommunication between a CDMA2000 terminal and a softswitch terminal, which can solve the problem of routing addressing when performing video intercommunication between a CDMA2000 terminal and a softswitch terminal

Method used

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  • Routing method for realizing video frequency intercommunication for code division multiple access (CDMA) 2000 terminal and soft exchange terminal
  • Routing method for realizing video frequency intercommunication for code division multiple access (CDMA) 2000 terminal and soft exchange terminal
  • Routing method for realizing video frequency intercommunication for code division multiple access (CDMA) 2000 terminal and soft exchange terminal

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Embodiment Construction

[0022] The present invention has respectively increased the judging function to the calling media property that calling SDP information comprises in MGCF (media gateway control function) and soft switch equipment, is used for judging that what calling user dials is video call or voice call, and according to different Select different routing directions for calls to complete the routing addressing operation, thus further realizing the video intercommunication between the CDMA2000 terminal and the softswitch terminal.

[0023] The specific architecture of the MGCF and the softswitch device in the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Such as figure 1 As shown, it is a structure diagram of the MGCF for realizing the video communication between the CDMA2000 terminal and the softswitch terminal according to the present invention. It includes a first media attribute judging module 11 and a first r...

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Abstract

The invention provides a routing method for realizing video frequency intercommunication for a code division multiple access (CDMA) 2000 terminal and a soft exchange terminal. Voice call and video call are separately routed by adding a judgment mechanism for a calling media attribute by media gateway control function (MGCF) and soft exchange. The routing operation of the video frequency intercommunication of the CDMA 2000 terminal and the soft exchange terminal is realized.

Description

technical field [0001] The invention relates to the field of CDMA and softswitch application technology, in particular to a routing method for realizing video communication between a CDMA2000 terminal and a softswitch terminal. Background technique [0002] From the traditional network based on circuit switching to the soft switching network based on packet switching, telecommunication services have gradually developed from a single voice call to a video call. With the advent of the 3G / IMS era, video applications have become the basis of rich and colorful 3G services, and all operators are actively carrying out research and development based on video applications. [0003] Due to the mixed numbering of 3G / IMS terminals and 2G terminals, addressing and routing problems are caused in the network. For example, a CDMA2000 mobile phone is both a 3G terminal and a 2G terminal, that is, it can access both the 3G network and the 2G network at the same time, and its voice call is co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/751H04N7/14H04L45/74H04L45/02
Inventor 钮颖彬
Owner CHINA TELECOM CORP LTD