| 9475 | Messaging Use Cases and Extensions for Secure Telephone Identity Revisited (STIR)J. Peterson, C. Wendt | Proposed Standard | December 2023 |
| 8996 | Deprecating TLS 1.0 and TLS 1.1K. Moriarty, S. Farrell | Best Current Practice | March 2021 |
| 8873 | Message Session Relay Protocol (MSRP) over Data ChannelsJM. Recio, Ed., C. Holmberg | 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 |
| 8859 | A Framework for Session Description Protocol (SDP) Attributes When MultiplexingS. Nandakumar | Proposed Standard | January 2021 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | Proposed Standard | April 2019 |
| 8266 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing NicknamesP. Saint-Andre | Proposed Standard | October 2017 |
| 8088 | How to Write an RTP Payload FormatM. Westerlund | Informational | May 2017 |
| 7977 | The WebSocket Protocol as a Transport for the Message Session Relay Protocol (MSRP)P. Dunkley, G. Llewellyn, V. Pascual, G. Salgueiro, R. Ravindranath | Proposed Standard | September 2016 |
| 7702 | Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): GroupchatP. Saint-Andre, S. Ibarra, S. Loreto | Proposed Standard | December 2015 |
| 7701 | Multi-party Chat Using the Message Session Relay Protocol (MSRP)A. Niemi, M. Garcia-Martin, G. Sandbakken | Proposed Standard | December 2015 |
| 7700 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing NicknamesP. Saint-Andre · obsoleted by RFC 8266 | Proposed Standard | December 2015 |
| 7573 | Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): One-to-One Text Chat SessionsP. Saint-Andre, S. Loreto | Proposed Standard | June 2015 |
| 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 |
| 7092 | A Taxonomy of Session Initiation Protocol (SIP) Back-to-Back User AgentsH. Kaplan, V. Pascual | Informational | December 2013 |
| 6914 | SIMPLE Made Simple: An Overview of the IETF Specifications for Instant Messaging and Presence Using the Session Initiation Protocol (SIP)J. Rosenberg | Informational | April 2013 |
| 6881 | Best Current Practice for Communications Services in Support of Emergency CallingB. Rosen, J. Polk | Best Current Practice | March 2013 |
| 6796 | A User Agent Profile Data Set for Media PolicyV. Hilt, G. Camarillo, J. Rosenberg, D. Worley | Proposed Standard | December 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 |
| 6544 | TCP Candidates with Interactive Connectivity Establishment (ICE)J. Rosenberg, A. Keranen, B. B. Lowekamp, A. B. Roach | Proposed Standard | March 2012 |
| 6443 | Framework for Emergency Calling Using Internet MultimediaB. Rosen, H. Schulzrinne, J. Polk, A. Newton | Informational | December 2011 |
| 6271 | Requirements for SIP-Based Session PeeringJ-F. Mule | Informational | June 2011 |
| 6135 | An Alternative Connection Model for the Message Session Relay Protocol (MSRP)C. Holmberg, S. Blau | Proposed Standard | February 2011 |
| 6086 | Session Initiation Protocol (SIP) INFO Method and Package FrameworkC. Holmberg, E. Burger, H. Kaplan | Proposed Standard | January 2011 |
| 5897 | Identification of Communications Services in the Session Initiation Protocol (SIP)J. Rosenberg | Informational | June 2010 |
| 5631 | Session Initiation Protocol (SIP) Session MobilityR. Shacham, H. Schulzrinne, S. Thakolsri, W. Kellerer | Informational | October 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 |
| 5509 | Internet Assigned Numbers Authority (IANA) Registration of Instant Messaging and Presence DNS SRV RRs for the Session Initiation Protocol (SIP)S. Loreto | Proposed Standard | April 2009 |
| 5438 | Instant Message Disposition Notification (IMDN)E. Burger, H. Khartabil | Proposed Standard | February 2009 |
| 5365 | Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)M. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5344 | Presence and Instant Messaging Peering Use CasesA. Houri, E. Aoki, S. Parameswar | Informational | October 2008 |
| 5239 | A Framework for Centralized ConferencingM. Barnes, C. Boulton, O. Levin | Proposed Standard | June 2008 |
| 5039 | The Session Initiation Protocol (SIP) and SpamJ. Rosenberg, C. Jennings | Informational | January 2008 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |