Method and system for providing media stream in process of media server switching

A technology of media server and switching process, applied in the field of Internet Protocol Multimedia Subsystem, can solve the problems of media stream interruption, affecting IMS network response speed, affecting user experience, etc.
CN101340428AInactive Publication Date: 2009-01-07HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2009-01-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method and a system for providing a media stream during the switching process of a media server, wherein, the method comprises that: a media delivery function entity for providing the media stream for a user device is switched from a first media function delivery entity to a second media function delivery entity; the second media delivery function entity provides the media steam for the user device, and the media steam is sent by the first media delivery function entity. The method and the system provided by the invention can realize that the original media steam parameters can be maintained unchanged without the re-consultation of the media steam parameters between the user device and a network during the switching process of the media server, thereby avoiding the delay caused by the re-consultation process of the media steam parameters and accelerating the response speed of the system.
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Description

technical field

[0001] The present invention relates to the field of Internet Protocol Multimedia Subsystem (IMS, IP Multimedia Subsystem), in particular to a method and system for providing media stream during media server switching process in IMS network. Background technique

[0002] Media streaming service or Internet Protocol Television (IPTV, IP TeleVision) service is a new service that has developed rapidly in recent years. These two services use streaming transmission technology to transmit multimedia files on a packet switching network, such as an IMS network. Including file content such as video and audio, these file contents can be played immediately without the user equipment (UE, User Equipment) downloading completely when accessing. The key technology for the realization of these two services is the streaming transmission technology, and the streaming transmission technology processes the continuous video and audio files and stores them on the server in the pac...

Claims

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