T6
SIP and media
Signaling, SDP, and RTP. 3 lessons. Each lesson cites the pages that were opened, and marks the rest confirm.
What SIP is for
T6-R16
RFC 3261 is an application-layer control protocol for creating, modifying, and terminating sessions.
Offer, answer, and SDP
T6-R17
RFC 3264 defines an offer/answer model that uses SDP.
RTP, SRTP, and delay words
T6-R18
RFC 3550 is RTP, a transport protocol for real-time applications.
Sources and go deeper
Opened 2026-10. A row marked confirm has no link, because that page was not verified.
- RFC. RFC 3261, SIP last checked 2026-10
- Wikipedia. Session Initiation Protocol last checked 2026-10
- Confirm. Release-specific menus for this track. confirm. Not opened as a single checklist. last checked 2026-10