| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2506 | Media Feature Tag Registration ProcedureK. Holtman, A. Mutz, T. Hardie | Best Current Practice | March 1999 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3264 | An Offer/Answer Model with Session Description Protocol (SDP)J. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3311 | The Session Initiation Protocol (SIP) UPDATE MethodJ. Rosenberg | Proposed Standard | October 2002 |
| 3711 | The Secure Real-time Transport Protocol (SRTP)M. Baugher, D. McGrew, M. Naslund, E. Carrara, K. Norrman | Proposed Standard | March 2004 |
| 3840 | Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, P. Kyzivat | Proposed Standard | August 2004 |
| 4566 | SDP: Session Description ProtocolM. Handley, V. Jacobson, C. Perkins · obsoleted by RFC 8866 | Proposed Standard | July 2006 |
| 4574 | The Session Description Protocol (SDP) Label AttributeO. Levin, G. Camarillo | Proposed Standard | August 2006 |
| 5630 | The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)F. Audet | Proposed Standard | October 2009 |
| 5761 | Multiplexing RTP Data and Control Packets on a Single PortC. Perkins, M. Westerlund | Proposed Standard | April 2010 |
| 5763 | Framework for Establishing a Secure Real-time Transport Protocol (SRTP) Security Context Using Datagram Transport Layer Security (DTLS)J. Fischl, H. Tschofenig, E. Rescorla | Proposed Standard | May 2010 |
| 5888 | The Session Description Protocol (SDP) Grouping FrameworkG. Camarillo, H. Schulzrinne | Proposed Standard | June 2010 |
| 6184 | RTP Payload Format for H.264 VideoY.-K. Wang, R. Even, T. Kristensen, R. Jesup | Proposed Standard | May 2011 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8445 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) TraversalA. Keranen, C. Holmberg, J. Rosenberg | Proposed Standard | July 2018 |
| 8831 | WebRTC Data ChannelsR. Jesup, S. Loreto, M. Tüxen | Proposed Standard | January 2021 |
| 8841 | Session Description Protocol (SDP) Offer/Answer Procedures for Stream Control Transmission Protocol (SCTP) over Datagram Transport Layer Security (DTLS) TransportC. Holmberg, R. Shpount, S. Loreto, G. Camarillo | Proposed Standard | January 2021 |
| 8843 | Negotiating Media Multiplexing Using the Session Description Protocol (SDP)C. Holmberg, H. Alvestrand, C. Jennings · obsoleted by RFC 9143 | Proposed Standard | January 2021 |
| 8845 | Framework for Telepresence Multi-StreamsM. Duckworth, Ed., A. Pepperell, S. Wenger | Proposed Standard | January 2021 |
| 8846 | An XML Schema for the Controlling Multiple Streams for Telepresence (CLUE) Data ModelR. Presta, S P. Romano | Proposed Standard | January 2021 |
| 8847 | Protocol for Controlling Multiple Streams for Telepresence (CLUE)R. Presta, S P. Romano | Experimental | January 2021 |
| 8849 | Mapping RTP Streams to Controlling Multiple Streams for Telepresence (CLUE) Media CapturesR. Even, J. Lennox | Proposed Standard | January 2021 |
| 8850 | Controlling Multiple Streams for Telepresence (CLUE) Protocol Data ChannelC. Holmberg | Experimental | January 2021 |
| 8864 | Negotiation Data Channels Using the Session Description Protocol (SDP)K. Drage, M. Makaraju, R. Ejzak, J. Marcon, R. Even, Ed. | Proposed Standard | January 2021 |