| 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 |
| 6665 | SIP-Specific Event NotificationA.B. Roach | Proposed Standard | July 2012 |
| 6447 | Filtering Location Notifications in the Session Initiation Protocol (SIP)R. Mahy, B. Rosen, H. Tschofenig | Proposed Standard | January 2012 |
| 6446 | Session Initiation Protocol (SIP) Event Notification Extension for Notification Rate ControlA. Niemi, K. Kiss, S. Loreto | Proposed Standard | January 2012 |
| 6442 | Location Conveyance for the Session Initiation ProtocolJ. Polk, B. Rosen, J. Peterson | Proposed Standard | December 2011 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6140 | Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)A.B. Roach | Proposed Standard | March 2011 |
| 6086 | Session Initiation Protocol (SIP) INFO Method and Package FrameworkC. Holmberg, E. Burger, H. Kaplan | Proposed Standard | January 2011 |
| 6080 | A Framework for Session Initiation Protocol User Agent Profile DeliveryD. Petrie, S. Channabasappa, Ed. | Proposed Standard | March 2011 |
| 6076 | Basic Telephony SIP End-to-End Performance MetricsD. Malas, A. Morton | Proposed Standard | January 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 6050 | A Session Initiation Protocol (SIP) Extension for the Identification of ServicesK. Drage | Informational | November 2010 |
| 6035 | Session Initiation Protocol Event Package for Voice Quality ReportingA. Pendleton, A. Clark, A. Johnston, H. Sinnreich | Proposed Standard | November 2010 |
| 6011 | Session Initiation Protocol (SIP) User Agent ConfigurationS. Lawrence, Ed., J. Elwell | Informational | October 2010 |
| 5989 | A SIP Event Package for Subscribing to Changes to an HTTP ResourceA.B. Roach | Proposed Standard | October 2010 |
| 5875 | An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Diff Event PackageJ. Urpalainen, D. Willis, Ed. | Proposed Standard | May 2010 |
| 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 |
| 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 |
| 5839 | An Extension to Session Initiation Protocol (SIP) Events for Conditional Event NotificationA. Niemi, D. Willis, Ed. | Proposed Standard | May 2010 |
| 5727 | Change Process for the Session Initiation Protocol (SIP) and the Real-time Applications and Infrastructure AreaJ. Peterson, C. Jennings, R. Sparks | Best Current Practice | March 2010 |
| 5688 | A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application SubtypesJ. Rosenberg | Proposed Standard | January 2010 |
| 5638 | Simple SIP Usage Scenario for Applications in the EndpointsH. Sinnreich, Ed., A. Johnston, E. Shim, K. Singh | Informational | September 2009 |
| 5629 | A Framework for Application Interaction in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | October 2009 |
| 5627 | Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | October 2009 |
| 5552 | SIP Interface to VoiceXML Media ServicesD. Burke, M. Scott | Proposed Standard | May 2009 |
| 5411 | A Hitchhiker's Guide to the Session Initiation Protocol (SIP)J. Rosenberg | Informational | February 2009 |
| 5369 | Framework for Transcoding with the Session Initiation Protocol (SIP)G. Camarillo | Informational | October 2008 |
| 5367 | Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)G. Camarillo, A.B. Roach, O. Levin | Proposed Standard | October 2008 |
| 5362 | The Session Initiation Protocol (SIP) Pending Additions Event PackageG. Camarillo | Proposed Standard | October 2008 |
| 5359 | Session Initiation Protocol Service ExamplesA. Johnston, Ed., R. Sparks, C. Cunningham, S. Donovan, K. Summers | Best Current Practice | October 2008 |
| 5263 | Session Initiation Protocol (SIP) Extension for Partial Notification of Presence InformationM. Lonnfors, J. Costa-Requena, E. Leppanen, H. Khartabil | Proposed Standard | September 2008 |
| 5262 | Presence Information Data Format (PIDF) Extension for Partial PresenceM. Lonnfors, E. Leppanen, H. Khartabil, J. Urpalainen | Proposed Standard | September 2008 |
| 5261 | An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) SelectorsJ. Urpalainen | Proposed Standard | September 2008 |
| 5239 | A Framework for Centralized ConferencingM. Barnes, C. Boulton, O. Levin | Proposed Standard | June 2008 |
| 5112 | The Presence-Specific Static Dictionary for Signaling Compression (Sigcomp)M. Garcia-Martin | Proposed Standard | January 2008 |
| 5057 | Multiple Dialog Usages in the Session Initiation ProtocolR. Sparks | Informational | November 2007 |
| 5039 | The Session Initiation Protocol (SIP) and SpamJ. Rosenberg, C. Jennings | Informational | January 2008 |
| 5025 | Presence Authorization RulesJ. Rosenberg | Proposed Standard | December 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 |
| 4826 | Extensible Markup Language (XML) Formats for Representing Resource ListsJ. Rosenberg | Proposed Standard | May 2007 |
| 4825 | The Extensible Markup Language (XML) Configuration Access Protocol (XCAP)J. Rosenberg | Proposed Standard | May 2007 |
| 4730 | A Session Initiation Protocol (SIP) Event Package for Key Press Stimulus (KPML)E. Burger, M. Dolly | Proposed Standard | November 2006 |
| 4662 | A Session Initiation Protocol (SIP) Event Notification Extension for Resource ListsA. B. Roach, B. Campbell, J. Rosenberg | Proposed Standard | August 2006 |
| 4661 | An Extensible Markup Language (XML)-Based Format for Event Notification FilteringH. Khartabil, E. Leppanen, M. Lonnfors, J. Costa-Requena | Proposed Standard | September 2006 |
| 4660 | Functional Description of Event Notification FilteringH. Khartabil, E. Leppanen, M. Lonnfors, J. Costa-Requena | Proposed Standard | September 2006 |
| 4579 | Session Initiation Protocol (SIP) Call Control - Conferencing for User AgentsA. Johnston, O. Levin | Best Current Practice | August 2006 |
| 4575 | A Session Initiation Protocol (SIP) Event Package for Conference StateJ. Rosenberg, H. Schulzrinne, O. Levin, Ed. | Proposed Standard | August 2006 |
| 4538 | Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | June 2006 |
| 4488 | Suppression of Session Initiation Protocol (SIP) REFER Method Implicit SubscriptionO. Levin | Proposed Standard | May 2006 |
| 4485 | Guidelines for Authors of Extensions to the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne | Informational | May 2006 |
| 4473 | Requirements for Internet Media Guides (IMGs)Y. Nomura, R. Walsh, J-P. Luoma, J. Ott, H. Schulzrinne | Informational | May 2006 |
| 4453 | Requirements for Consent-Based Communications in the Session Initiation Protocol (SIP)J. Rosenberg, G. Camarillo, Ed., D. Willis | Informational | April 2006 |
| 4435 | A Framework for the Usage of Internet Media Guides (IMGs)Y. Nomura, R. Walsh, J-P. Luoma, H. Asaeda, H. Schulzrinne | Informational | April 2006 |
| 4412 | Communications Resource Priority for the Session Initiation Protocol (SIP)H. Schulzrinne, J. Polk | Proposed Standard | February 2006 |
| 4354 | A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) ServiceM. Garcia-Martin | Informational | January 2006 |
| 4353 | A Framework for Conferencing with the Session Initiation Protocol (SIP)J. Rosenberg | Informational | February 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 |
| 4083 | Input 3rd-Generation Partnership Project (3GPP) Release 5 Requirements on the Session Initiation Protocol (SIP)M. Garcia-Martin | Informational | May 2005 |
| 4028 | Session Timers in the Session Initiation Protocol (SIP)S. Donovan, J. Rosenberg | Proposed Standard | May 2005 |
| 3976 | Interworking SIP and Intelligent Network (IN) ApplicationsV. K. Gurbani, F. Haerens, V. Rastogi | Informational | January 2005 |
| 3968 | The Internet Assigned Number Authority (IANA) Header Field Parameter Registry for the Session Initiation Protocol (SIP)G. Camarillo | Best Current Practice | December 2004 |
| 3911 | The Session Initiation Protocol (SIP) "Join" HeaderR. Mahy, D. Petrie | Proposed Standard | October 2004 |
| 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 |
| 3903 | Session Initiation Protocol (SIP) Extension for Event State PublicationA. Niemi, Ed. | Proposed Standard | November 2004 |
| 3891 | The Session Initiation Protocol (SIP) "Replaces" HeaderR. Mahy, B. Biggs, R. Dean | Proposed Standard | September 2004 |
| 3858 | An Extensible Markup Language (XML) Based Format for Watcher InformationJ. Rosenberg | Proposed Standard | August 2004 |
| 3857 | A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | August 2004 |
| 3856 | A Presence Event Package for the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | August 2004 |
| 3842 | A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)R. Mahy | Proposed Standard | August 2004 |
| 3841 | Caller Preferences for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, P. Kyzivat | Proposed Standard | August 2004 |
| 3840 | Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, P. Kyzivat | Proposed Standard | August 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 |
| 3680 | A Session Initiation Protocol (SIP) Event Package for RegistrationsJ. Rosenberg | Proposed Standard | March 2004 |
| 3515 | The Session Initiation Protocol (SIP) Refer MethodR. Sparks | Proposed Standard | April 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 |
| 3455 | Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP)M. Garcia-Martin, E. Henrikson, D. Mills · obsoleted by RFC 7315 | Informational | January 2003 |
| 3428 | Session Initiation Protocol (SIP) Extension for Instant MessagingB. Campbell, Ed., J. Rosenberg, H. Schulzrinne, C. Huitema, D. Gurle | Proposed Standard | December 2002 |
| 3427 | Change Process for the Session Initiation Protocol (SIP)A. Mankin, S. Bradner, R. Mahy, D. Willis, J. Ott, B. Rosen · obsoleted by RFC 5727 | Best Current Practice | December 2002 |
| 3420 | Internet Media Type message/sipfragR. Sparks | Proposed Standard | November 2002 |
| 3313 | Private Session Initiation Protocol (SIP) Extensions for Media AuthorizationW. Marshall, Ed. | Informational | January 2003 |
| 3311 | The Session Initiation Protocol (SIP) UPDATE MethodJ. Rosenberg | Proposed Standard | October 2002 |
| 3298 | Service in the Public Switched Telephone Network/Intelligent Network (PSTN/IN) Requesting InTernet Service (SPIRITS) Protocol RequirementsI. Faynberg, J. Gato, H. Lu, L. Slutsman | Informational | September 2002 |