2.2.6.10.4 com.microsoft.wm.packetpairssrc

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The com.microsoft.wm.packetpairssrc token specifies that when the server sends packet-pair data over the RTP by using the RTP payload format, as specified in section 2.2.3.2, the SSRC field in the RTP header is set to the same SSRC value specified by the server in the RTSP Transport header in the response to the SETUP request for the retransmission stream. For information on the retransmission stream, see section 2.2.5.5.

This token is defined only for use in responses sent to a client.

If a server does not specify the com.microsoft.wm.packetpairssrc token on the Supported header, clients SHOULD ignore the SSRC field in the RTP header of RTP packets that contain packet-pair data and that use the RTP payload format as specified in section 2.2.3.2.<13>