| 10034 | RTP Payload Format for Visual Volumetric Video-Based Coding (V3C)L. Ilola, L. Kondrad | Proposed Standard | August 2026 |
| 9993 | RTP Payload Format for HapticsHS Yang, X. de Foy | Proposed Standard | May 2026 |
| 9725 | WebRTC-HTTP Ingestion Protocol (WHIP)S. Garcia Murillo, A. Gouaillard | Proposed Standard | March 2025 |
| 9628 | RTP Payload Format for VP9 VideoJ. Uberti, S. Holmer, M. Flodman, D. Hong, J. Lennox | Proposed Standard | March 2025 |
| 9607 | RTP Payload Format for the Secure Communication Interoperability Protocol (SCIP) CodecD. Hanson, M. Faller, K. Maver | Proposed Standard | July 2024 |
| 9584 | RTP Payload Format for Essential Video Coding (EVC)S. Zhao, S. Wenger, Y. Lim | Proposed Standard | June 2024 |
| 9429 | JavaScript Session Establishment Protocol (JSEP)J. Uberti, C. Jennings, E. Rescorla, Ed. | Proposed Standard | April 2024 |
| 9335 | Completely Encrypting RTP Header Extensions and Contributing SourcesJ. Uberti, C. Jennings, S. Murillo | Proposed Standard | January 2023 |
| 9328 | RTP Payload Format for Versatile Video Coding (VVC)S. Zhao, S. Wenger, Y. Sanchez, Y.-K. Wang, M. M Hannuksela | Proposed Standard | December 2022 |
| 9248 | Interoperability Profile for Relay User EquipmentB. Rosen | Proposed Standard | June 2022 |
| 9185 | DTLS Tunnel between a Media Distributor and Key Distributor to Facilitate Key ExchangeP. Jones, P. Ellenbogen, N. Ohlmeier | Informational | April 2022 |
| 9143 | Negotiating Media Multiplexing Using the Session Description Protocol (SDP)C. Holmberg, H. Alvestrand, C. Jennings | Proposed Standard | February 2022 |
| 9134 | RTP Payload Format for ISO/IEC 21122 (JPEG XS)T. Bruylants, A. Descampe, C. Damman, T. Richter | Proposed Standard | October 2021 |
| 9028 | Native NAT Traversal Mode for the Host Identity ProtocolA. Keränen, J. Melén, M. Komu, Ed. | Experimental | July 2021 |
| 8873 | Message Session Relay Protocol (MSRP) over Data ChannelsJM. Recio, Ed., C. Holmberg | Proposed Standard | January 2021 |
| 8872 | Guidelines for Using the Multiplexing Features of RTP to Support Multiple Media StreamsM. Westerlund, B. Burman, C. Perkins, H. Alvestrand, R. Even | Informational | January 2021 |
| 8870 | Encrypted Key Transport for DTLS and Secure RTPC. Jennings, J. Mattsson, D. McGrew, D. Wing, F. Andreasen | Proposed Standard | January 2021 |
| 8866 | SDP: Session Description ProtocolA. Begen, P. Kyzivat, C. Perkins, M. Handley | Proposed Standard | January 2021 |
| 8865 | T.140 Real-Time Text Conversation over WebRTC Data ChannelsC. Holmberg, G. Hellström | Proposed Standard | 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 |
| 8862 | Best Practices for Securing RTP Media Signaled with SIPJ. Peterson, R. Barnes, R. Housley | Best Current Practice | January 2021 |
| 8861 | Sending Multiple RTP Streams in a Single RTP Session: Grouping RTP Control Protocol (RTCP) Reception Statistics and Other FeedbackJ. Lennox, M. Westerlund, Q. Wu, C. Perkins | Proposed Standard | January 2021 |
| 8859 | A Framework for Session Description Protocol (SDP) Attributes When MultiplexingS. Nandakumar | Proposed Standard | January 2021 |
| 8858 | Indicating Exclusive Support of RTP and RTP Control Protocol (RTCP) Multiplexing Using the Session Description Protocol (SDP)C. Holmberg | Proposed Standard | January 2021 |
| 8856 | Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) StreamsG. Camarillo, T. Kristensen, C. Holmberg | Proposed Standard | January 2021 |
| 8855 | The Binary Floor Control Protocol (BFCP)G. Camarillo, K. Drage, T. Kristensen, J. Ott, C. Eckel | Proposed Standard | January 2021 |
| 8854 | WebRTC Forward Error Correction RequirementsJ. Uberti | Proposed Standard | January 2021 |
| 8853 | Using Simulcast in Session Description Protocol (SDP) and RTP SessionsB. Burman, M. Westerlund, S. Nandakumar, M. Zanaty | Proposed Standard | January 2021 |
| 8851 | RTP Payload Format RestrictionsA.B. Roach, Ed. | Proposed Standard | January 2021 |
| 8850 | Controlling Multiple Streams for Telepresence (CLUE) Protocol Data ChannelC. Holmberg | Experimental | January 2021 |
| 8849 | Mapping RTP Streams to Controlling Multiple Streams for Telepresence (CLUE) Media CapturesR. Even, J. Lennox | Proposed Standard | January 2021 |
| 8848 | Session Signaling for Controlling Multiple Streams for Telepresence (CLUE)R. Hanton, P. Kyzivat, L. Xiao, C. Groves | Experimental | January 2021 |
| 8845 | Framework for Telepresence Multi-StreamsM. Duckworth, Ed., A. Pepperell, S. Wenger | 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 |
| 8842 | Session Description Protocol (SDP) Offer/Answer Considerations for Datagram Transport Layer Security (DTLS) and Transport Layer Security (TLS)C. Holmberg, R. Shpount | 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 |
| 8840 | A Session Initiation Protocol (SIP) Usage for Incremental Provisioning of Candidates for the Interactive Connectivity Establishment (Trickle ICE)E. Ivov, T. Stach, E. Marocco, C. Holmberg | Proposed Standard | January 2021 |
| 8839 | Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)M. Petit-Huguenin, S. Nandakumar, C. Holmberg, A. Keränen, R. Shpount | Proposed Standard | January 2021 |
| 8838 | Trickle ICE: Incremental Provisioning of Candidates for the Interactive Connectivity Establishment (ICE) ProtocolE. Ivov, J. Uberti, P. Saint-Andre | Proposed Standard | January 2021 |
| 8830 | WebRTC MediaStream Identification in the Session Description ProtocolH. Alvestrand | Proposed Standard | January 2021 |
| 8829 | JavaScript Session Establishment Protocol (JSEP)J. Uberti, C. Jennings, E. Rescorla, Ed. · obsoleted by RFC 9429 | Proposed Standard | January 2021 |
| 8827 | WebRTC Security ArchitectureE. Rescorla | Proposed Standard | January 2021 |
| 8825 | Overview: Real-Time Protocols for Browser-Based ApplicationsH. Alvestrand | Proposed Standard | January 2021 |
| 8817 | RTP Payload Format for Tactical Secure Voice Cryptographic Interoperability Specification (TSVCIS) CodecV. Demjanenko, J. Punaro, D. Satterlee | Proposed Standard | August 2020 |
| 8802 | The Quality for Service (Q4S) ProtocolJ.J. Aranda, M. Cortes, J. Salvachúa, M. Narganes, I. Martínez-Sarriegui | Informational | July 2020 |
| 8643 | An Opportunistic Approach for Secure Real-time Transport Protocol (OSRTP)A. Johnston, B. Aboba, A. Hutton, R. Jesske, T. Stach | Informational | August 2019 |
| 8627 | RTP Payload Format for Flexible Forward Error Correction (FEC)M. Zanaty, V. Singh, A. Begen, G. Mandyam | Proposed Standard | July 2019 |
| 8599 | Push Notification with the Session Initiation Protocol (SIP)C. Holmberg, M. Arnold | Proposed Standard | May 2019 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | Proposed Standard | April 2019 |
| 8445 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) TraversalA. Keranen, C. Holmberg, J. Rosenberg | Proposed Standard | July 2018 |
| 8373 | Negotiating Human Language in Real-Time CommunicationsR. Gellens | Proposed Standard | May 2018 |
| 8331 | RTP Payload for Society of Motion Picture and Television Engineers (SMPTE) ST 291-1 Ancillary DataT. Edwards | Proposed Standard | February 2018 |
| 8286 | RTP/RTCP Extension for RTP Splicing NotificationJ. Xia, R. Even, R. Huang, L. Deng | Proposed Standard | October 2017 |
| 8285 | A General Mechanism for RTP Header ExtensionsD. Singer, H. Desineni, R. Even, Ed. | Proposed Standard | October 2017 |
| 8130 | RTP Payload Format for the Mixed Excitation Linear Prediction Enhanced (MELPe) CodecV. Demjanenko, D. Satterlee | Proposed Standard | March 2017 |
| 8124 | The Session Description Protocol (SDP) WebSocket Connection URI AttributeR. Ravindranath, G. Salgueiro | Proposed Standard | March 2017 |
| 8122 | Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)J. Lennox, C. Holmberg | Proposed Standard | March 2017 |
| 8088 | How to Write an RTP Payload FormatM. Westerlund | Informational | May 2017 |
| 8079 | Guidelines for End-to-End Support of the RTP Control Protocol (RTCP) in Back-to-Back User Agents (B2BUAs)L. Miniero, S. Garcia Murillo, V. Pascual | Proposed Standard | February 2017 |
| 8035 | Session Description Protocol (SDP) Offer/Answer Clarifications for RTP/RTCP MultiplexingC. Holmberg | Proposed Standard | November 2016 |
| 7866 | Session Recording ProtocolL. Portman, H. Lum, Ed., C. Eckel, A. Johnston, A. Hutton | Proposed Standard | May 2016 |
| 7850 | Registering Values of the SDP 'proto' Field for Transporting RTP Media over TCP under Various RTP ProfilesS. Nandakumar | Proposed Standard | April 2016 |
| 7826 | Real-Time Streaming Protocol Version 2.0H. Schulzrinne, A. Rao, R. Lanphier, M. Westerlund, M. Stiemerling, Ed. | Proposed Standard | December 2016 |
| 7825 | A Network Address Translator (NAT) Traversal Mechanism for Media Controlled by the Real-Time Streaming Protocol (RTSP)J. Goldberg, M. Westerlund, T. Zeng | Proposed Standard | December 2016 |
| 7798 | RTP Payload Format for High Efficiency Video Coding (HEVC)Y.-K. Wang, Y. Sanchez, T. Schierl, S. Wenger, M. M. Hannuksela | Proposed Standard | March 2016 |
| 7728 | RTP Stream Pause and ResumeB. Burman, A. Akram, R. Even, M. Westerlund | Proposed Standard | February 2016 |
| 7701 | Multi-party Chat Using the Message Session Relay Protocol (MSRP)A. Niemi, M. Garcia-Martin, G. Sandbakken | Proposed Standard | December 2015 |
| 7655 | RTP Payload Format for G.711.0M. Ramalho, Ed., P. Jones, N. Harada, M. Perumal, L. Miao | Proposed Standard | November 2015 |
| 7587 | RTP Payload Format for the Opus Speech and Audio CodecJ. Spittka, K. Vos, JM. Valin | Proposed Standard | June 2015 |
| 7362 | Latching: Hosted NAT Traversal (HNT) for Media in Real-Time CommunicationE. Ivov, H. Kaplan, D. Wing | Informational | September 2014 |
| 7345 | UDP Transport Layer (UDPTL) over Datagram Transport Layer Security (DTLS)C. Holmberg, I. Sedlacek, G. Salgueiro | Proposed Standard | August 2014 |
| 7310 | RTP Payload Format for Standard apt-X and Enhanced apt-X CodecsJ. Lindsay, H. Foerster | Proposed Standard | July 2014 |
| 7273 | RTP Clock Source SignallingA. Williams, K. Gross, R. van Brandenburg, H. Stokking | Proposed Standard | June 2014 |
| 7261 | Offer/Answer Considerations for G723 Annex A and G729 Annex BM. Perumal, P. Ravindran | Proposed Standard | May 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7195 | Session Description Protocol (SDP) Extension for Setting Audio and Video Media Streams over Circuit-Switched Bearers in the Public Switched Telephone Network (PSTN)M. Garcia-Martin, S. Veikkolainen | Proposed Standard | May 2014 |
| 7104 | Duplication Grouping Semantics in the Session Description ProtocolA. Begen, Y. Cai, H. Ou | Proposed Standard | January 2014 |
| 7088 | Session Initiation Protocol Service Example -- Music on HoldD. Worley | Informational | February 2014 |
| 7058 | Media Control Channel Framework (CFW) Call Flow ExamplesA. Amirante, T. Castaldi, L. Miniero, S P. Romano | Informational | November 2013 |
| 7006 | Miscellaneous Capabilities Negotiation in the Session Description Protocol (SDP)M. Garcia-Martin, S. Veikkolainen, R. Gilman | Proposed Standard | September 2013 |
| 7005 | RTP Control Protocol (RTCP) Extended Report (XR) Block for De-Jitter Buffer Metric ReportingA. Clark, V. Singh, Q. Wu | Proposed Standard | September 2013 |
| 6884 | RTP Payload Format for the Enhanced Variable Rate Narrowband-Wideband Codec (EVRC-NW)Z. Fang | Proposed Standard | March 2013 |
| 6881 | Best Current Practice for Communications Services in Support of Emergency CallingB. Rosen, J. Polk | Best Current Practice | March 2013 |
| 6871 | Session Description Protocol (SDP) Media Capabilities NegotiationR. Gilman, R. Even, F. Andreasen | Proposed Standard | February 2013 |
| 6849 | An Extension to the Session Description Protocol (SDP) and Real-time Transport Protocol (RTP) for Media LoopbackH. Kaplan, Ed., K. Hedayat, N. Venna, P. Jones, N. Stratton | Proposed Standard | February 2013 |
| 6796 | A User Agent Profile Data Set for Media PolicyV. Hilt, G. Camarillo, J. Rosenberg, D. Worley | Proposed Standard | December 2012 |
| 6795 | A Session Initiation Protocol (SIP) Event Package for Session-Specific PoliciesV. Hilt, G. Camarillo | Proposed Standard | December 2012 |
| 6794 | A Framework for Session Initiation Protocol (SIP) Session PoliciesV. Hilt, G. Camarillo, J. Rosenberg | Proposed Standard | December 2012 |
| 6787 | Media Resource Control Protocol Version 2 (MRCPv2)D. Burnett, S. Shanmugham | Proposed Standard | November 2012 |
| 6773 | DCCP-UDP: A Datagram Congestion Control Protocol UDP Encapsulation for NAT TraversalT. Phelan, G. Fairhurst, C. Perkins | Proposed Standard | November 2012 |
| 6714 | Connection Establishment for Media Anchoring (CEMA) for the Message Session Relay Protocol (MSRP)C. Holmberg, S. Blau, E. Burger | Proposed Standard | August 2012 |
| 6695 | Methods to Convey Forward Error Correction (FEC) Framework Configuration InformationR. Asati | Informational | August 2012 |
| 6682 | RTP Payload Format for Raptor Forward Error Correction (FEC)M. Watson, T. Stockhammer, M. Luby | Proposed Standard | August 2012 |
| 6679 | Explicit Congestion Notification (ECN) for RTP over UDPM. Westerlund, I. Johansson, C. Perkins, P. O'Hanlon, K. Carlberg | Proposed Standard | August 2012 |
| 6597 | RTP Payload Format for Society of Motion Picture and Television Engineers (SMPTE) ST 336 Encoded DataJ. Downs, Ed., J. Arbeiter, Ed. | Proposed Standard | April 2012 |
| 6544 | TCP Candidates with Interactive Connectivity Establishment (ICE)J. Rosenberg, A. Keranen, B. B. Lowekamp, A. B. Roach | Proposed Standard | March 2012 |
| 6501 | Conference Information Data Model for Centralized Conferencing (XCON)O. Novo, G. Camarillo, D. Morgan, J. Urpalainen | Proposed Standard | March 2012 |
| 6469 | RTP Payload Format for DV (IEC 61834) VideoK. Kobayashi, K. Mishima, S. Casner, C. Bormann | Proposed Standard | December 2011 |
| 6466 | IANA Registration of the 'image' Media Type for the Session Description Protocol (SDP)G. Salgueiro | Proposed Standard | December 2011 |
| 6443 | Framework for Emergency Calling Using Internet MultimediaB. Rosen, H. Schulzrinne, J. Polk, A. Newton | Informational | December 2011 |
| 6364 | Session Description Protocol Elements for the Forward Error Correction (FEC) FrameworkA. Begen | Proposed Standard | October 2011 |
| 6337 | Session Initiation Protocol (SIP) Usage of the Offer/Answer ModelS. Okumura, T. Sawada, P. Kyzivat | Informational | August 2011 |
| 6336 | IANA Registry for Interactive Connectivity Establishment (ICE) OptionsM. Westerlund, C. Perkins · obsoleted by RFC 8839 | Proposed Standard | July 2011 |
| 6314 | NAT Traversal Practices for Client-Server SIPC. Boulton, J. Rosenberg, G. Camarillo, F. Audet | Informational | July 2011 |
| 6295 | RTP Payload Format for MIDIJ. Lazzaro, J. Wawrzynek | Proposed Standard | June 2011 |
| 6284 | Port Mapping between Unicast and Multicast RTP SessionsA. Begen, D. Wing, T. Van Caenegem | Proposed Standard | June 2011 |
| 6263 | Application Mechanism for Keeping Alive the NAT Mappings Associated with RTP / RTP Control Protocol (RTCP) FlowsX. Marjou, A. Sollaud | Proposed Standard | June 2011 |
| 6236 | Negotiation of Generic Image Attributes in the Session Description Protocol (SDP)I. Johansson, K. Jung | Proposed Standard | May 2011 |
| 6230 | Media Control Channel FrameworkC. Boulton, T. Melanchuk, S. McGlashan | Proposed Standard | May 2011 |
| 6228 | Session Initiation Protocol (SIP) Response Code for Indication of Terminated DialogC. Holmberg | Proposed Standard | May 2011 |
| 6193 | Media Description for the Internet Key Exchange Protocol (IKE) in the Session Description Protocol (SDP)M. Saito, D. Wing, M. Toyama | Informational | April 2011 |
| 6190 | RTP Payload Format for Scalable Video CodingS. Wenger, Y.-K. Wang, T. Schierl, A. Eleftheriadis | Proposed Standard | May 2011 |
| 6185 | RTP Payload Format for H.264 Reduced-Complexity Decoding Operation (RCDO) VideoT. Kristensen, P. Luthi | Proposed Standard | May 2011 |
| 6184 | RTP Payload Format for H.264 VideoY.-K. Wang, R. Even, T. Kristensen, R. Jesup | Proposed Standard | May 2011 |
| 6157 | IPv6 Transition in the Session Initiation Protocol (SIP)G. Camarillo, K. El Malki, V. Gurbani | Proposed Standard | April 2011 |
| 6141 | Re-INVITE and Target-Refresh Request Handling in the Session Initiation Protocol (SIP)G. Camarillo, Ed., C. Holmberg, Y. Gao | Proposed Standard | March 2011 |
| 6086 | Session Initiation Protocol (SIP) INFO Method and Package FrameworkC. Holmberg, E. Burger, H. Kaplan | Proposed Standard | January 2011 |
| 6064 | SDP and RTSP Extensions Defined for 3GPP Packet-Switched Streaming Service and Multimedia Broadcast/Multicast ServiceM. Westerlund, P. Frojdh | Informational | January 2011 |
| 6015 | RTP Payload Format for 1-D Interleaved Parity Forward Error Correction (FEC)A. Begen | Proposed Standard | October 2010 |
| 5993 | RTP Payload Format for Global System for Mobile Communications Half Rate (GSM-HR)X. Duan, S. Wang, M. Westerlund, K. Hellwig, I. Johansson | Proposed Standard | October 2010 |
| 5956 | Forward Error Correction Grouping Semantics in the Session Description ProtocolA. Begen | Proposed Standard | September 2010 |
| 5939 | Session Description Protocol (SDP) Capability NegotiationF. Andreasen | Proposed Standard | September 2010 |
| 5888 | The Session Description Protocol (SDP) Grouping FrameworkG. Camarillo, H. Schulzrinne | Proposed Standard | June 2010 |
| 5853 | Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) DeploymentsJ. Hautakorpi, Ed., G. Camarillo, R. Penfield, A. Hawrylyshen, M. Bhatia | Informational | April 2010 |
| 5850 | A Call Control and Multi-Party Usage Framework for the Session Initiation Protocol (SIP)R. Mahy, R. Sparks, J. Rosenberg, D. Petrie, A. Johnston, Ed. | Informational | May 2010 |
| 5768 | Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)J. Rosenberg | 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 |
| 5762 | RTP and the Datagram Congestion Control Protocol (DCCP)C. Perkins | Proposed Standard | April 2010 |
| 5761 | Multiplexing RTP Data and Control Packets on a Single PortC. Perkins, M. Westerlund | Proposed Standard | April 2010 |
| 5688 | A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application SubtypesJ. Rosenberg | Proposed Standard | January 2010 |
| 5686 | RTP Payload Format for mU-law EMbedded Codec for Low-delay IP Communication (UEMCLIP) Speech CodecY. Hiwasaki, H. Ohmuro | Proposed Standard | October 2009 |
| 5638 | Simple SIP Usage Scenario for Applications in the EndpointsH. Sinnreich, Ed., A. Johnston, E. Shim, K. Singh | Informational | September 2009 |
| 5631 | Session Initiation Protocol (SIP) Session MobilityR. Shacham, H. Schulzrinne, S. Thakolsri, W. Kellerer | Informational | October 2009 |
| 5629 | A Framework for Application Interaction in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | October 2009 |
| 5584 | RTP Payload Format for the Adaptive TRansform Acoustic Coding (ATRAC) FamilyM. Hatanaka, J. Matsumoto | Proposed Standard | July 2009 |
| 5577 | RTP Payload Format for ITU-T Recommendation G.722.1P. Luthi, R. Even | Proposed Standard | July 2009 |
| 5576 | Source-Specific Media Attributes in the Session Description Protocol (SDP)J. Lennox, J. Ott, T. Schierl | Proposed Standard | June 2009 |
| 5567 | An Architectural Framework for Media Server ControlT. Melanchuk, Ed. | Informational | June 2009 |
| 5552 | SIP Interface to VoiceXML Media ServicesD. Burke, M. Scott | Proposed Standard | May 2009 |
| 5547 | A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File TransferM. Garcia-Martin, M. Isomaki, G. Camarillo, S. Loreto, P. Kyzivat | Proposed Standard | May 2009 |
| 5484 | Associating Time-Codes with RTP StreamsD. Singer | Proposed Standard | March 2009 |
| 5479 | Requirements and Analysis of Media Security Management ProtocolsD. Wing, Ed., S. Fries, H. Tschofenig, F. Audet | Informational | April 2009 |
| 5432 | Quality of Service (QoS) Mechanism Selection in the Session Description Protocol (SDP)J. Polk, S. Dhesikan, G. Camarillo | Proposed Standard | March 2009 |
| 5411 | A Hitchhiker's Guide to the Session Initiation Protocol (SIP)J. Rosenberg | Informational | February 2009 |
| 5407 | Example Call Flows of Race Conditions in the Session Initiation Protocol (SIP)M. Hasebe, J. Koshiko, Y. Suzuki, T. Yoshikawa, P. Kyzivat | Best Current Practice | December 2008 |
| 5404 | RTP Payload Format for G.719M. Westerlund, I. Johansson | Proposed Standard | January 2009 |
| 5391 | RTP Payload Format for ITU-T Recommendation G.711.1A. Sollaud | Proposed Standard | November 2008 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5372 | Payload Format for JPEG 2000 Video: Extensions for Scalability and Main Header RecoveryA. Leung, S. Futemma, E. Itakura | Proposed Standard | October 2008 |
| 5371 | RTP Payload Format for JPEG 2000 Video StreamsS. Futemma, E. Itakura, A. Leung | Proposed Standard | October 2008 |
| 5369 | Framework for Transcoding with the Session Initiation Protocol (SIP)G. Camarillo | Informational | October 2008 |
| 5359 | Session Initiation Protocol Service ExamplesA. Johnston, Ed., R. Sparks, C. Cunningham, S. Donovan, K. Summers | Best Current Practice | October 2008 |
| 5347 | Media Gateway Control Protocol Fax PackageF. Andreasen, D. Hancock | Informational | October 2008 |
| 5245 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer ProtocolsJ. Rosenberg · obsoleted by RFC 8445, RFC 8839 | Proposed Standard | April 2010 |
| 5239 | A Framework for Centralized ConferencingM. Barnes, C. Boulton, O. Levin | Proposed Standard | June 2008 |
| 5215 | RTP Payload Format for Vorbis Encoded AudioL. Barbato | Proposed Standard | August 2008 |
| 5194 | Framework for Real-Time Text over IP Using the Session Initiation Protocol (SIP)A. van Wijk, Ed., G. Gybels, Ed. | Informational | June 2008 |
| 5188 | RTP Payload Format for the Enhanced Variable Rate Wideband Codec (EVRC-WB) and the Media Subtype Updates for EVRC-B CodecH. Desineni, Q. Xie | Proposed Standard | February 2008 |
| 5124 | Extended Secure RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/SAVPF)J. Ott, E. Carrara | Proposed Standard | February 2008 |
| 5109 | RTP Payload Format for Generic Forward Error CorrectionA. Li, Ed. | Proposed Standard | December 2007 |
| 5104 | Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)S. Wenger, U. Chandra, M. Westerlund, B. Burman | Proposed Standard | February 2008 |
| 5027 | Security Preconditions for Session Description Protocol (SDP) Media StreamsF. Andreasen, D. Wing | Proposed Standard | October 2007 |
| 5018 | Connection Establishment in the Binary Floor Control Protocol (BFCP)G. Camarillo | Proposed Standard | September 2007 |
| 5009 | Private Header (P-Header) Extension to the Session Initiation Protocol (SIP) for Authorization of Early MediaR. Ejzak | Informational | September 2007 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |
| 4975 | The Message Session Relay Protocol (MSRP)B. Campbell, Ed., R. Mahy, Ed., C. Jennings, Ed. | Proposed Standard | September 2007 |
| 4964 | The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over CellularA. Allen, Ed., J. Holm, T. Hallin | Informational | September 2007 |
| 4867 | RTP Payload Format and File Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio CodecsJ. Sjoberg, M. Westerlund, A. Lakaniemi, Q. Xie | Proposed Standard | April 2007 |
| 4796 | The Session Description Protocol (SDP) Content AttributeJ. Hautakorpi, G. Camarillo | Proposed Standard | February 2007 |
| 4788 | Enhancements to RTP Payload Formats for EVRC Family CodecsQ. Xie, R. Kapoor | Proposed Standard | January 2007 |
| 4749 | RTP Payload Format for the G.729.1 Audio CodecA. Sollaud | Proposed Standard | October 2006 |
| 4733 | RTP Payload for DTMF Digits, Telephony Tones, and Telephony SignalsH. Schulzrinne, T. Taylor | Proposed Standard | December 2006 |
| 4695 | RTP Payload Format for MIDIJ. Lazzaro, J. Wawrzynek · obsoleted by RFC 6295 | Proposed Standard | November 2006 |
| 4650 | HMAC-Authenticated Diffie-Hellman for Multimedia Internet KEYing (MIKEY)M. Euchner | Proposed Standard | September 2006 |
| 4629 | RTP Payload Format for ITU-T Rec. H.263 VideoJ. Ott, C. Bormann, G. Sullivan, S. Wenger, R. Even, Ed. | Proposed Standard | January 2007 |
| 4598 | Real-time Transport Protocol (RTP) Payload Format for Enhanced AC-3 (E-AC-3) AudioB. Link | Proposed Standard | July 2006 |
| 4587 | RTP Payload Format for H.261 Video StreamsR. Even | Proposed Standard | August 2006 |
| 4585 | Extended RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/AVPF)J. Ott, S. Wenger, N. Sato, C. Burmeister, J. Rey | Proposed Standard | July 2006 |
| 4583 | Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) StreamsG. Camarillo · obsoleted by RFC 8856 | Proposed Standard | November 2006 |
| 4582 | The Binary Floor Control Protocol (BFCP)G. Camarillo, J. Ott, K. Drage · obsoleted by RFC 8855 | Proposed Standard | November 2006 |
| 4575 | A Session Initiation Protocol (SIP) Event Package for Conference StateJ. Rosenberg, H. Schulzrinne, O. Levin, Ed. | Proposed Standard | August 2006 |
| 4574 | The Session Description Protocol (SDP) Label AttributeO. Levin, G. Camarillo | Proposed Standard | August 2006 |
| 4573 | MIME Type Registration for RTP Payload Format for H.224R. Even, A. Lochbaum | Proposed Standard | July 2006 |
| 4572 | Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)J. Lennox · obsoleted by RFC 8122 | Proposed Standard | July 2006 |
| 4571 | Framing Real-time Transport Protocol (RTP) and RTP Control Protocol (RTCP) Packets over Connection-Oriented TransportJ. Lazzaro | Proposed Standard | July 2006 |
| 4570 | Session Description Protocol (SDP) Source FiltersB. Quinn, R. Finlayson | Proposed Standard | July 2006 |
| 4568 | Session Description Protocol (SDP) Security Descriptions for Media StreamsF. Andreasen, M. Baugher, D. Wing | Proposed Standard | July 2006 |
| 4567 | Key Management Extensions for Session Description Protocol (SDP) and Real Time Streaming Protocol (RTSP)J. Arkko, F. Lindholm, M. Naslund, K. Norrman, E. Carrara | Proposed Standard | July 2006 |
| 4566 | SDP: Session Description ProtocolM. Handley, V. Jacobson, C. Perkins · obsoleted by RFC 8866 | Proposed Standard | July 2006 |
| 4504 | SIP Telephony Device Requirements and ConfigurationH. Sinnreich, Ed., S. Lass, C. Stredicke | Informational | May 2006 |
| 4497 | Interworking between the Session Initiation Protocol (SIP) and QSIGJ. Elwell, F. Derks, P. Mourot, O. Rousseau | Best Current Practice | May 2006 |
| 4485 | Guidelines for Authors of Extensions to the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne | Informational | May 2006 |
| 4475 | Session Initiation Protocol (SIP) Torture Test MessagesR. Sparks, Ed., A. Hawrylyshen, A. Johnston, J. Rosenberg, H. Schulzrinne | Informational | May 2006 |
| 4425 | RTP Payload Format for Video Codec 1 (VC-1)A. Klemets | Proposed Standard | February 2006 |
| 4396 | RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed TextJ. Rey, Y. Matsui | Proposed Standard | February 2006 |
| 4353 | A Framework for Conferencing with the Session Initiation Protocol (SIP)J. Rosenberg | Informational | February 2006 |
| 4352 | RTP Payload Format for the Extended Adaptive Multi-Rate Wideband (AMR-WB+) Audio CodecJ. Sjoberg, M. Westerlund, A. Lakaniemi, S. Wenger | Proposed Standard | January 2006 |
| 4351 | Real-Time Transport Protocol (RTP) Payload for Text Conversation Interleaved in an Audio StreamG. Hellstrom, P. Jones | Historic | January 2006 |
| 4348 | Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Audio CodecS. Ahmadi | Proposed Standard | January 2006 |
| 4317 | Session Description Protocol (SDP) Offer/Answer ExamplesA. Johnston, R. Sparks | Informational | December 2005 |
| 4298 | RTP Payload Format for BroadVoice Speech CodecsJ.-H. Chen, W. Lee, J. Thyssen | Proposed Standard | December 2005 |
| 4240 | Basic Network Media Services with SIPE. Burger, Ed., J. Van Dyke, A. Spitzer | Informational | December 2005 |
| 4184 | RTP Payload Format for AC-3 AudioB. Link, T. Hager, J. Flaks | Proposed Standard | October 2005 |
| 4145 | TCP-Based Media Transport in the Session Description Protocol (SDP)D. Yon, G. Camarillo | Proposed Standard | September 2005 |
| 4103 | RTP Payload for Text ConversationG. Hellstrom, P. Jones | Proposed Standard | June 2005 |
| 4092 | Usage of the Session Description Protocol (SDP) Alternative Network Address Types (ANAT) Semantics in the Session Initiation Protocol (SIP)G. Camarillo, J. Rosenberg · obsoleted by RFC 5245 | Proposed Standard | June 2005 |
| 4083 | Input 3rd-Generation Partnership Project (3GPP) Release 5 Requirements on the Session Initiation Protocol (SIP)M. Garcia-Martin | Informational | May 2005 |
| 4060 | RTP Payload Formats for European Telecommunications Standards Institute (ETSI) European Standard ES 202 050, ES 202 211, and ES 202 212 Distributed Speech Recognition EncodingQ. Xie, D. Pearce | Proposed Standard | May 2005 |
| 4040 | RTP Payload Format for a 64 kbit/s Transparent CallR. Kreuter | Proposed Standard | April 2005 |
| 4032 | Update to the Session Initiation Protocol (SIP) Preconditions FrameworkG. Camarillo, P. Kyzivat | Proposed Standard | March 2005 |
| 4028 | Session Timers in the Session Initiation Protocol (SIP)S. Donovan, J. Rosenberg | Proposed Standard | May 2005 |
| 3984 | RTP Payload Format for H.264 VideoS. Wenger, M.M. Hannuksela, T. Stockhammer, M. Westerlund, D. Singer · obsoleted by RFC 6184 | Proposed Standard | February 2005 |
| 3960 | Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP)G. Camarillo, H. Schulzrinne | Informational | December 2004 |
| 3959 | The Early Session Disposition Type for the Session Initiation Protocol (SIP)G. Camarillo | Proposed Standard | December 2004 |
| 3890 | A Transport Independent Bandwidth Modifier for the Session Description Protocol (SDP)M. Westerlund | Proposed Standard | September 2004 |
| 3794 | Survey of IPv4 Addresses in Currently Deployed IETF Transport Area Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |
| 3725 | Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)J. Rosenberg, J. Peterson, H. Schulzrinne, G. Camarillo | Best Current Practice | April 2004 |
| 3666 | Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call FlowsA. Johnston, S. Donovan, R. Sparks, C. Cunningham, K. Summers | Best Current Practice | January 2004 |
| 3665 | Session Initiation Protocol (SIP) Basic Call Flow ExamplesA. Johnston, S. Donovan, R. Sparks, C. Cunningham, K. Summers | Best Current Practice | January 2004 |
| 3611 | RTP Control Protocol Extended Reports (RTCP XR)T. Friedman, Ed., R. Caceres, Ed., A. Clark, Ed. | Proposed Standard | November 2003 |
| 3485 | The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp)M. Garcia-Martin, C. Bormann, J. Ott, R. Price, A. B. Roach | Proposed Standard | March 2003 |
| 3388 | Grouping of Media Lines in the Session Description Protocol (SDP)G. Camarillo, G. Eriksson, J. Holler, H. Schulzrinne · obsoleted by RFC 5888 | Proposed Standard | December 2002 |
| 3312 | Integration of Resource Management and Session Initiation Protocol (SIP)G. Camarillo, Ed., W. Marshall, Ed., J. Rosenberg | Proposed Standard | October 2002 |
| 3311 | The Session Initiation Protocol (SIP) UPDATE MethodJ. Rosenberg | Proposed Standard | October 2002 |
| 3262 | Reliability of Provisional Responses in Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |