Method and system for controlling ringback tone

A ringback tone and ringing technology, applied in the communication field, can solve the problem that the business logic cannot choose to play the ringback tone, etc., and achieve the effect of enriching services

Inactive Publication Date: 2007-01-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and system for controlling the ring-back tone to solve the problem in the prior art that the business logic cannot select and play the ring-back tone according to service characteristics and user needs

Method used

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  • Method and system for controlling ringback tone
  • Method and system for controlling ringback tone
  • Method and system for controlling ringback tone

Examples

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Embodiment Construction

[0027] The current NGN service opening system does not have the function of service control ring back tone. According to the rich service characteristics of NGN, the upper layer application is required to control the ring back tone. For the service of personalized ring back tone, the application needs to actively play the color ringback tone to the calling party. Ring tone; and in order to maintain the experience of traditional public switched telephone network (PSTN) users, some services need to transparently transmit the ringback tone or prompt tone played by PSTN to the calling party.

[0028] The system structure of NGN open architecture is as follows: figure 1 shown, where:

[0029] The soft switch is used to complete functions such as service triggering, routing and call connection, and interacts with the service capability gateway through SIP signaling. After judging that the call triggers the service, the softswitch forwards the call to the service capability gateway ...

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PUM

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Abstract

A method for controlling sound of returning back ring includes launching call to called party by calling party, carrying out ringing and sending the ringing-signaling to service ability gateway by called party, up-reporting information of SDP being carried in ringing-signaling or not to application server by service ability gateway and down-sending play mode of returning back ring sound to service ability gateway by application server.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and system for controlling ring back tone. Background technique [0002] The next-generation telecommunications network is a service-centric open network. Network capabilities are encapsulated and abstracted through application programming interfaces (APIs) based on open technologies, shielding the complexity of the telecommunications network itself, and providing a common and simple interface to the upper layer. The application controls network resources and provides rich services for the telecommunications network. Session Initiation Protocol (SIP protocol) is an important protocol in the next generation network, which is used to establish, change and terminate calls between users based on IP networks. The service uses the network capability API, which is mapped to the underlying SIP protocol to control the call. [0003] In the NGN network based on the SIP pro...

Claims

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Application Information

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IPC IPC(8): H04M3/42H04Q3/00
CPCH04M3/42017
Inventor 苗彩霞
Owner HUAWEI TECH CO LTD
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