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Initiate h264 key frame request using the SIP info Method

Source: Internet
Author: User
Tags rfc
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I am responsible for custom development of the SIP/IMS video client and support access to the SIP Soft Interface.Switch, IMS core network, supported
Voice, video, and instant messaging functions. The video formats support h263, h264, and MPEG4 soft encoding solutions. The hardware coding/decoding interface is provided for interconnection and servers. If you are interested, contact me.

Csdn lidp http://blog.csdn.net/perfectpdl

Some video terminals only have a few key frames when the call is just created. If the key frame is lost, the decoding of the other party may fail or mosaic. In this case, the key frame is sent to the other party to send a key frame,

After the call is established, the key frame request is sent in the dialog via the SIP info extension. The SIP info construction references the RFC 2976 http://www.ietf.org/rfc/rfc2976.txt,

Info message body contains XML data. For more information, see RFC http://www.rfc-editor.org/rfc/rfc5168.txt.

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Related Keywords:
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