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Method, system and apparatus for realizing multimedia calling service

A technology for calling services and multimedia, applied in the field of wireless communication, can solve the problem of inability to provide additional functions for users

Inactive Publication Date: 2010-04-21
INVT SPE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] The present invention provides a method, system and device for realizing multimedia call services, which are used to solve the problem that the network cannot provide users with additional functions related to media stream processing based on the current WCDMA circuit domain architecture and multimedia call service implementation schemes

Method used

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  • Method, system and apparatus for realizing multimedia calling service
  • Method, system and apparatus for realizing multimedia calling service
  • Method, system and apparatus for realizing multimedia calling service

Examples

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example 1

[0084]Method Example 1: The MSC SERVER does not interfere with the establishment of the media flow logic channel, and realizes the multimedia call service. For the convenience of description, the scenario is set as user 1 initiates a multimedia call to user 2 in the local office. see Figure 11 Shown (illustration: get the roaming number process, and the master-slave discrimination process of H.245 is identical with prior art, omits not drawing for brevity), this example comprises following concrete steps:

[0085] 1. User 1 initiates a multimedia call to user 2, and the call reaches user 2 through MSC SERVER.

[0086] 2. User 2 rings and answers, and the network establishes a two-way bearer service channel for the user.

[0087] 3. This step includes the process of establishing a media stream logical channel between user 1 and user 2. The path that the H.245 message passes through is user 1 / user 2, MGW, MSC SERVER, MGW, user 2 / user 1.

[0088] Figure 11 TCS (terminal cap...

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Abstract

The invention discloses a method, system and device which realize multimedia calling operation, it is used to resolve problem that current WCDMA circuit field structure and multimedia calling operation can not make network provide additional functions which are relative with medium flow. The method includes: A. the load operation channel built when the MSC SERVER calls and the every part participating in multimedia calling operation build medium control command channel; B. MSC SERVER participates in medium arranging via said medium control command channel to accomplish the building of medium flow logical channel to realize the multimedia calling operation. By application of the invention, the MSC SERVER can participate in medium arranging, so the additional functions which are relative with medium flow can be provided for user.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method, system and device for realizing multimedia call service in circuit domain. Background technique [0002] The mobile circuit domain (CS DOMAIN) multimedia call service is an important service in the third-generation mobile communication system, and one of the symbolic services that distinguish the third-generation mobile communication from the second-generation. This service enables users to see the image of the other party while making a voice call, which is a service with important practical application value. [0003] WCDMA third-generation mobile communication defines a set of system architecture to complete various services, including multimedia call services. The basic network elements included in this system architecture are: user equipment UE, WCDMA system base station NODE B, WCDMA system base station controller RNC, MGW and MSC SERVER. For a basic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04W28/18H04W76/02
CPCH04W28/18H04W76/022H04L29/06326H04M3/42017H04L65/1069H04W76/12
Inventor 王耕
Owner INVT SPE LLC
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