A media packet has two clocks
01The sequence number orders packets; the timestamp locates media in its sampling timeline.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 5.1 ↗
RFC 3550 · § 5.1EXAMPLE
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03
SSRC
Associate the packet with a synchronization source.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
RFC 1889RFC 3550 Appendix B
RFC 3550 revises the earlier RTP specification, including more scalable RTCP timing and expanded implementation guidance.
Read the updated RFC section ↗The sequence number increments for every RTP data packet.
- The sequence number increments for every RTP data packet.
- The timestamp represents the sampling instant of the first payload octet.
- The SSRC identifies the synchronization source within a session.
The illustration is schematic. Example values are illustrative; profiles and later security guidance can add requirements.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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