| 9141 | Updating References to the IETF FTP ServiceR. Danyliw | Proposed Standard | November 2021 |
| 8794 | Extensible Binary Meta LanguageS. Lhomme, D. Rice, M. Bunkus | Proposed Standard | July 2020 |
| 8759 | RTP Payload for Timed Text Markup Language (TTML)J. Sandford | Proposed Standard | March 2020 |
| 8141 | Uniform Resource Names (URNs)P. Saint-Andre, J. Klensin | Proposed Standard | April 2017 |
| 7200 | A Session Initiation Protocol (SIP) Load-Control Event PackageC. Shen, H. Schulzrinne, A. Koike | Proposed Standard | April 2014 |
| 6924 | Registration of Second-Level URN Namespaces under "ietf"B. Leiba | Informational | April 2013 |
| 6796 | A User Agent Profile Data Set for Media PolicyV. Hilt, G. Camarillo, J. Rosenberg, D. Worley | Proposed Standard | December 2012 |
| 5874 | An Extensible Markup Language (XML) Document Format for Indicating a Change in XML Configuration Access Protocol (XCAP) ResourcesJ. Rosenberg, J. Urpalainen | Proposed Standard | May 2010 |
| 5707 | Media Server Markup Language (MSML)A. Saleem, Y. Xin, G. Sharratt | Informational | February 2010 |
| 5438 | Instant Message Disposition Notification (IMDN)E. Burger, H. Khartabil | Proposed Standard | February 2009 |
| 5262 | Presence Information Data Format (PIDF) Extension for Partial PresenceM. Lonnfors, E. Leppanen, H. Khartabil, J. Urpalainen | Proposed Standard | September 2008 |
| 5196 | Session Initiation Protocol (SIP) User Agent Capability Extension to Presence Information Data Format (PIDF)M. Lonnfors, K. Kiss | Proposed Standard | September 2008 |
| 4826 | Extensible Markup Language (XML) Formats for Representing Resource ListsJ. Rosenberg | Proposed Standard | May 2007 |
| 4661 | An Extensible Markup Language (XML)-Based Format for Event Notification FilteringH. Khartabil, E. Leppanen, M. Lonnfors, J. Costa-Requena | Proposed Standard | September 2006 |
| 4575 | A Session Initiation Protocol (SIP) Event Package for Conference StateJ. Rosenberg, H. Schulzrinne, O. Levin, Ed. | Proposed Standard | August 2006 |
| 4482 | CIPID: Contact Information for the Presence Information Data FormatH. Schulzrinne | Proposed Standard | July 2006 |
| 4480 | RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF)H. Schulzrinne, V. Gurbani, P. Kyzivat, J. Rosenberg | Proposed Standard | July 2006 |
| 4235 | An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, R. Mahy, Ed. | Proposed Standard | November 2005 |
| 3910 | The SPIRITS (Services in PSTN requesting Internet Services) ProtocolV. Gurbani, Ed., A. Brusilovsky, I. Faynberg, J. Gato, H. Lu, M. Unmehopa | Proposed Standard | October 2004 |
| 3880 | Call Processing Language (CPL): A Language for User Control of Internet Telephony ServicesJ. Lennox, X. Wu, H. Schulzrinne | Proposed Standard | November 2004 |
| 3858 | An Extensible Markup Language (XML) Based Format for Watcher InformationJ. Rosenberg | Proposed Standard | August 2004 |
| 3680 | A Session Initiation Protocol (SIP) Event Package for RegistrationsJ. Rosenberg | Proposed Standard | March 2004 |
| 3599 | Request for Comments Summary RFC Numbers 3500-3599S. Ginoza | Informational | December 2003 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 2003 |
| 3305 | Report from the Joint W3C/IETF URI Planning Interest Group: Uniform Resource Identifiers (URIs), URLs, and Uniform Resource Names (URNs): Clarifications and RecommendationsM. Mealling, Ed., R. Denenberg, Ed. | Informational | August 2002 |
| 3044 | Using The ISSN (International Serial Standard Number) as URN (Uniform Resource Names) within an ISSN-URN NamespaceS. Rozenfeld · obsoleted by RFC 8254 | Historic | January 2001 |