| 7701 | Multi-party Chat Using the Message Session Relay Protocol (MSRP)A. Niemi, M. Garcia-Martin, G. Sandbakken | Proposed Standard | December 2015 |
| 7657 | Differentiated Services (Diffserv) and Real-Time CommunicationD. Black, Ed., P. Jones | Informational | November 2015 |
| 7463 | Shared Appearances of a Session Initiation Protocol (SIP) Address of Record (AOR)A. Johnston, Ed., M. Soroushnejad, Ed., V. Venkataramanan | Proposed Standard | March 2015 |
| 7462 | URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP)L. Liess, Ed., R. Jesske, A. Johnston, D. Worley, P. Kyzivat | Proposed Standard | March 2015 |
| 7459 | Representation of Uncertainty and Confidence in the Presence Information Data Format Location Object (PIDF-LO)M. Thomson, J. Winterbottom | Proposed Standard | February 2015 |
| 7434 | Interworking ISDN Call Control User Information with SIPK. Drage, Ed., A. Johnston | Proposed Standard | January 2015 |
| 7433 | A Mechanism for Transporting User-to-User Call Control Information in SIPA. Johnston, J. Rafferty | Proposed Standard | January 2015 |
| 7415 | Session Initiation Protocol (SIP) Rate ControlE. Noel, P. Williams | Proposed Standard | February 2015 |
| 7339 | Session Initiation Protocol (SIP) Overload ControlV. Gurbani, Ed., V. Hilt, H. Schulzrinne | Proposed Standard | September 2014 |
| 7216 | Location Information Server (LIS) Discovery Using IP Addresses and Reverse DNSM. Thomson, R. Bellis | Proposed Standard | April 2014 |
| 7200 | A Session Initiation Protocol (SIP) Load-Control Event PackageC. Shen, H. Schulzrinne, A. Koike | Proposed Standard | April 2014 |
| 7199 | Location Configuration Extensions for Policy ManagementR. Barnes, M. Thomson, J. Winterbottom, H. Tschofenig | Proposed Standard | April 2014 |
| 7105 | Using Device-Provided Location-Related Measurements in Location Configuration ProtocolsM. Thomson, J. Winterbottom | Proposed Standard | January 2014 |
| 7058 | Media Control Channel Framework (CFW) Call Flow ExamplesA. Amirante, T. Castaldi, L. Miniero, S P. Romano | Informational | November 2013 |
| 7035 | Relative Location RepresentationM. Thomson, B. Rosen, D. Stanley, G. Bajko, A. Thomson | Proposed Standard | October 2013 |
| 6917 | Media Resource BrokeringC. Boulton, L. Miniero, G. Munson | Proposed Standard | April 2013 |
| 6915 | Flow Identity Extension for HTTP-Enabled Location Delivery (HELD)R. Bellis | Proposed Standard | April 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 |
| 6910 | Completion of Calls for the Session Initiation Protocol (SIP)D. Worley, M. Huelsemann, R. Jesske, D. Alexeitsev | Proposed Standard | April 2013 |
| 6873 | Format for the Session Initiation Protocol (SIP) Common Log Format (CLF)G. Salgueiro, V. Gurbani, A. B. Roach | Proposed Standard | February 2013 |
| 6872 | The Common Log Format (CLF) for the Session Initiation Protocol (SIP): Framework and Information ModelV. Gurbani, Ed., E. Burger, Ed., T. Anjali, H. Abdelnur, O. Festor | Proposed Standard | February 2013 |
| 6848 | Specifying Civic Address Extensions in the Presence Information Data Format Location Object (PIDF-LO)J. Winterbottom, M. Thomson, R. Barnes, B. Rosen, R. George | Proposed Standard | January 2013 |
| 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 |
| 6772 | Geolocation Policy: A Document Format for Expressing Privacy Preferences for Location InformationH. Schulzrinne, Ed., H. Tschofenig, Ed., J. Cuellar, J. Polk, J. Morris, M. Thomson | Proposed Standard | January 2013 |
| 6753 | A Location Dereference Protocol Using HTTP-Enabled Location Delivery (HELD)J. Winterbottom, H. Tschofenig, H. Schulzrinne, M. Thomson | Proposed Standard | October 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 |
| 6623 | IANA Registry for MEDIACTRL Interactive Voice Response Control PackageE. Burger | Proposed Standard | May 2012 |
| 6567 | Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIPA. Johnston, L. Liess | Informational | April 2012 |
| 6505 | A Mixer Control Package for the Media Control Channel FrameworkS. McGlashan, T. Melanchuk, C. Boulton | Proposed Standard | March 2012 |
| 6504 | Centralized Conferencing Manipulation Protocol (CCMP) Call Flow ExamplesM. Barnes, L. Miniero, R. Presta, S P. Romano | Informational | March 2012 |
| 6503 | Centralized Conferencing Manipulation ProtocolM. Barnes, C. Boulton, S. Romano, H. Schulzrinne | Proposed Standard | March 2012 |
| 6502 | Conference Event Package Data Format Extension for Centralized Conferencing (XCON)G. Camarillo, S. Srinivasan, R. Even, J. Urpalainen | 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 |
| 6447 | Filtering Location Notifications in the Session Initiation Protocol (SIP)R. Mahy, B. Rosen, H. Tschofenig | Proposed Standard | January 2012 |
| 6406 | Session PEERing for Multimedia INTerconnect (SPEERMINT) ArchitectureD. Malas, Ed., J. Livingood, Ed. | Informational | November 2011 |
| 6405 | Voice over IP (VoIP) SIP Peering Use CasesA. Uzelac, Ed., Y. Lee, Ed. | Informational | November 2011 |
| 6404 | Session PEERing for Multimedia INTerconnect (SPEERMINT) Security Threats and Suggested CountermeasuresJ. Seedorf, S. Niccolini, E. Chen, H. Scholz | Informational | November 2011 |
| 6357 | Design Considerations for Session Initiation Protocol (SIP) Overload ControlV. Hilt, E. Noel, C. Shen, A. Abdelal | Informational | August 2011 |
| 6315 | IANA Registration for Enumservice 'iax'E. Guy, K. Darilion | Informational | July 2011 |
| 6285 | Unicast-Based Rapid Acquisition of Multicast RTP SessionsB. Ver Steeg, A. Begen, T. Van Caenegem, Z. Vax | Proposed Standard | June 2011 |
| 6280 | An Architecture for Location and Location Privacy in Internet ApplicationsR. Barnes, M. Lepinski, A. Cooper, J. Morris, H. Tschofenig, H. Schulzrinne | Best Current Practice | July 2011 |
| 6271 | Requirements for SIP-Based Session PeeringJ-F. Mule | Informational | June 2011 |
| 6231 | An Interactive Voice Response (IVR) Control Package for the Media Control Channel FrameworkS. McGlashan, T. Melanchuk, C. Boulton | Proposed Standard | May 2011 |
| 6230 | Media Control Channel FrameworkC. Boulton, T. Melanchuk, S. McGlashan | Proposed Standard | May 2011 |
| 6225 | Dynamic Host Configuration Protocol Options for Coordinate-Based Location Configuration InformationJ. Polk, M. Linsner, M. Thomson, B. Aboba, Ed. | Proposed Standard | July 2011 |
| 6222 | Guidelines for Choosing RTP Control Protocol (RTCP) Canonical Names (CNAMEs)A. Begen, C. Perkins, D. Wing · obsoleted by RFC 7022 | Proposed Standard | April 2011 |
| 6188 | The Use of AES-192 and AES-256 in Secure RTPD. McGrew | Proposed Standard | March 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 |
| 6155 | Use of Device Identity in HTTP-Enabled Location Delivery (HELD)J. Winterbottom, M. Thomson, H. Tschofenig, R. Barnes | Proposed Standard | March 2011 |
| 6140 | Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)A.B. Roach | Proposed Standard | March 2011 |
| 6135 | An Alternative Connection Model for the Message Session Relay Protocol (MSRP)C. Holmberg, S. Blau | Proposed Standard | February 2011 |
| 6128 | RTP Control Protocol (RTCP) Port for Source-Specific Multicast (SSM) SessionsA. Begen | Proposed Standard | February 2011 |
| 6118 | Update of Legacy IANA Registrations of EnumservicesB. Hoeneisen, A. Mayrhofer | Proposed Standard | March 2011 |
| 6117 | IANA Registration of Enumservices: Guide, Template, and IANA ConsiderationsB. Hoeneisen, A. Mayrhofer, J. Livingood | Proposed Standard | March 2011 |
| 6116 | The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)S. Bradner, L. Conroy, K. Fujiwara | Proposed Standard | March 2011 |
| 6080 | A Framework for Session Initiation Protocol User Agent Profile DeliveryD. Petrie, S. Channabasappa, Ed. | Proposed Standard | March 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 6051 | Rapid Synchronisation of RTP FlowsC. Perkins, T. Schierl | Proposed Standard | November 2010 |
| 6035 | Session Initiation Protocol Event Package for Voice Quality ReportingA. Pendleton, A. Clark, A. Johnston, H. Sinnreich | Proposed Standard | November 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 |
| 5986 | Discovering the Local Location Information Server (LIS)M. Thomson, J. Winterbottom | Proposed Standard | September 2010 |
| 5985 | HTTP-Enabled Location Delivery (HELD)M. Barnes, Ed. | Proposed Standard | September 2010 |
| 5968 | Guidelines for Extending the RTP Control Protocol (RTCP)J. Ott, C. Perkins | Informational | September 2010 |
| 5954 | Essential Correction for IPv6 ABNF and URI Comparison in RFC 3261V. Gurbani, Ed., B. Carpenter, Ed., B. Tate, Ed. | Proposed Standard | August 2010 |
| 5947 | Requirements for Multiple Address of Record (AOR) Reachability Information in the Session Initiation Protocol (SIP)J. Elwell, H. Kaplan | Informational | September 2010 |
| 5924 | Extended Key Usage (EKU) for Session Initiation Protocol (SIP) X.509 CertificatesS. Lawrence, V. Gurbani | Experimental | June 2010 |
| 5923 | Connection Reuse in the Session Initiation Protocol (SIP)V. Gurbani, Ed., R. Mahy, B. Tate | Proposed Standard | June 2010 |
| 5922 | Domain Certificates in the Session Initiation Protocol (SIP)V. Gurbani, S. Lawrence, A. Jeffrey | Proposed Standard | June 2010 |
| 5897 | Identification of Communications Services in the Session Initiation Protocol (SIP)J. Rosenberg | Informational | June 2010 |
| 5876 | Updates to Asserted Identity in the Session Initiation Protocol (SIP)J. Elwell | Informational | April 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 |
| 5870 | A Uniform Resource Identifier for Geographic Locations ('geo' URI)A. Mayrhofer, C. Spanring | 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 |
| 5808 | Requirements for a Location-by-Reference MechanismR. Marshall, Ed. | Informational | May 2010 |
| 5774 | Considerations for Civic Addresses in the Presence Information Data Format Location Object (PIDF-LO): Guidelines and IANA Registry DefinitionK. Wolf, A. Mayrhofer | Best Current Practice | March 2010 |
| 5768 | Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | April 2010 |
| 5767 | User-Agent-Driven Privacy Mechanism for SIPM. Munakata, S. Schubert, T. Ohba | Informational | April 2010 |
| 5764 | Datagram Transport Layer Security (DTLS) Extension to Establish Keys for the Secure Real-time Transport Protocol (SRTP)D. McGrew, E. Rescorla | Proposed Standard | May 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 |
| 5761 | Multiplexing RTP Data and Control Packets on a Single PortC. Perkins, M. Westerlund | Proposed Standard | April 2010 |
| 5760 | RTP Control Protocol (RTCP) Extensions for Single-Source Multicast Sessions with Unicast FeedbackJ. Ott, J. Chesterfield, E. Schooler | Proposed Standard | February 2010 |
| 5725 | Post-Repair Loss RLE Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)A. Begen, D. Hsu, M. Lague | Proposed Standard | February 2010 |
| 5691 | RTP Payload Format for Elementary Streams with MPEG Surround Multi-Channel AudioF. de Bont, S. Doehla, M. Schmidt, R. Sperschneider | Proposed Standard | October 2009 |
| 5687 | GEOPRIV Layer 7 Location Configuration Protocol: Problem Statement and RequirementsH. Tschofenig, H. Schulzrinne | Informational | March 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 |
| 5669 | The SEED Cipher Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)S. Yoon, J. Kim, H. Park, H. Jeong, Y. Won | Proposed Standard | August 2010 |
| 5658 | Addressing Record-Route Issues in the Session Initiation Protocol (SIP)T. Froment, C. Lebel, B. Bonnaerens | Proposed Standard | October 2009 |
| 5630 | The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)F. Audet | Proposed Standard | October 2009 |
| 5629 | A Framework for Application Interaction in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | October 2009 |
| 5628 | Registration Event Package Extension for Session Initiation Protocol (SIP) Globally Routable User Agent URIs (GRUUs)P. Kyzivat | 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 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5621 | Message Body Handling in the Session Initiation Protocol (SIP)G. Camarillo | Proposed Standard | September 2009 |
| 5606 | Implications of 'retransmission-allowed' for SIP Location ConveyanceJ. Peterson, T. Hardie, J. Morris | Informational | August 2009 |
| 5589 | Session Initiation Protocol (SIP) Call Control - TransferR. Sparks, A. Johnston, Ed., D. Petrie | Best Current Practice | June 2009 |
| 5584 | RTP Payload Format for the Adaptive TRansform Acoustic Coding (ATRAC) FamilyM. Hatanaka, J. Matsumoto | Proposed Standard | July 2009 |
| 5580 | Carrying Location Objects in RADIUS and DiameterH. Tschofenig, Ed., F. Adrangi, M. Jones, A. Lior, B. Aboba | Proposed Standard | August 2009 |
| 5577 | RTP Payload Format for ITU-T Recommendation G.722.1P. Luthi, R. Even | Proposed Standard | July 2009 |
| 5574 | RTP Payload Format for the Speex CodecG. Herlein, J. Valin, A. Heggestad, A. Moizard | 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 |
| 5527 | Combined User and Infrastructure ENUM in the e164.arpa TreeM. Haberler, O. Lendl, R. Stastny | Informational | May 2009 |
| 5526 | The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application for Infrastructure ENUMJ. Livingood, P. Pfautz, R. Stastny | Informational | April 2009 |
| 5506 | Support for Reduced-Size Real-Time Transport Control Protocol (RTCP): Opportunities and ConsequencesI. Johansson, M. Westerlund | Proposed Standard | April 2009 |
| 5491 | GEOPRIV Presence Information Data Format Location Object (PIDF-LO) Usage Clarification, Considerations, and RecommendationsJ. Winterbottom, M. Thomson, H. Tschofenig | Proposed Standard | March 2009 |
| 5486 | Session Peering for Multimedia Interconnect (SPEERMINT) TerminologyD. Malas, Ed., D. Meyer, Ed. | Informational | March 2009 |
| 5484 | Associating Time-Codes with RTP StreamsD. Singer | Proposed Standard | March 2009 |
| 5483 | ENUM Implementation Issues and ExperiencesL. Conroy, K. Fujiwara | Informational | March 2009 |
| 5479 | Requirements and Analysis of Media Security Management ProtocolsD. Wing, Ed., S. Fries, H. Tschofenig, F. Audet | Informational | April 2009 |
| 5478 | IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority NamespacesJ. Polk | Proposed Standard | March 2009 |
| 5459 | G.729.1 RTP Payload Format Update: Discontinuous Transmission (DTX) SupportA. Sollaud | Proposed Standard | January 2009 |
| 5450 | Transmission Time Offsets in RTP StreamsD. Singer, H. Desineni | Proposed Standard | March 2009 |
| 5438 | Instant Message Disposition Notification (IMDN)E. Burger, H. Khartabil | Proposed Standard | February 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 |
| 5393 | Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking ProxiesR. Sparks, Ed., S. Lawrence, A. Hawrylyshen, B. Campen | Proposed Standard | December 2008 |
| 5391 | RTP Payload Format for ITU-T Recommendation G.711.1A. Sollaud | Proposed Standard | November 2008 |
| 5390 | Requirements for Management of Overload in the Session Initiation ProtocolJ. Rosenberg | Informational | December 2008 |
| 5373 | Requesting Answering Modes for the Session Initiation Protocol (SIP)D. Willis, Ed., A. Allen | Proposed Standard | November 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 |
| 5370 | The Session Initiation Protocol (SIP) Conference Bridge Transcoding ModelG. Camarillo | Proposed Standard | October 2008 |
| 5369 | Framework for Transcoding with the Session Initiation Protocol (SIP)G. Camarillo | Informational | October 2008 |
| 5368 | Referring to Multiple Resources in the Session Initiation Protocol (SIP)G. Camarillo, A. Niemi, M. Isomaki, M. Garcia-Martin, H. Khartabil | Proposed Standard | 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 |
| 5366 | Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)G. Camarillo, A. Johnston | Proposed Standard | October 2008 |
| 5365 | Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)M. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5364 | Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource ListsM. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5363 | Framework and Security Considerations for Session Initiation Protocol (SIP) URI-List ServicesG. Camarillo, A.B. Roach | Proposed Standard | October 2008 |
| 5362 | The Session Initiation Protocol (SIP) Pending Additions Event PackageG. Camarillo | Proposed Standard | October 2008 |
| 5361 | A Document Format for Requesting ConsentG. Camarillo | Proposed Standard | October 2008 |
| 5360 | A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP)J. Rosenberg, G. Camarillo, Ed., D. Willis | 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 |
| 5346 | Operational Requirements for ENUM-Based Softswitch UseJ. Lim, W. Kim, C. Park, L. Conroy | Informational | October 2008 |
| 5344 | Presence and Instant Messaging Peering Use CasesA. Houri, E. Aoki, S. Parameswar | Informational | October 2008 |
| 5341 | The Internet Assigned Number Authority (IANA) tel Uniform Resource Identifier (URI) Parameter RegistryC. Jennings, V. Gurbani | Proposed Standard | September 2008 |
| 5333 | IANA Registration of Enumservices for Internet CalendaringR. Mahy, B. Hoeneisen | Proposed Standard | October 2009 |
| 5285 | A General Mechanism for RTP Header ExtensionsD. Singer, H. Desineni · obsoleted by RFC 8285 | Proposed Standard | July 2008 |
| 5278 | IANA Registration of Enumservices for Voice and Video MessagingJ. Livingood, D. Troshynski | Proposed Standard | July 2008 |
| 5264 | Publication of Partial Presence InformationA. Niemi, M. Lonnfors, E. Leppanen | Proposed Standard | September 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 |
| 5244 | Definition of Events for Channel-Oriented Telephony SignallingH. Schulzrinne, T. Taylor | Proposed Standard | June 2008 |
| 5239 | A Framework for Centralized ConferencingM. Barnes, C. Boulton, O. Levin | Proposed Standard | June 2008 |
| 5219 | A More Loss-Tolerant RTP Payload Format for MP3 AudioR. Finlayson | Proposed Standard | February 2008 |
| 5215 | RTP Payload Format for Vorbis Encoded AudioL. Barbato | Proposed Standard | August 2008 |
| 5196 | Session Initiation Protocol (SIP) User Agent Capability Extension to Presence Information Data Format (PIDF)M. Lonnfors, K. Kiss | Proposed Standard | September 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 |
| 5167 | Media Server Control Protocol RequirementsM. Dolly, R. Even | Informational | March 2008 |
| 5140 | A Telephony Gateway REgistration Protocol (TGREP)M. Bangalore, R. Kumar, J. Rosenberg, H. Salama, D.N. Shah | Proposed Standard | March 2008 |
| 5139 | Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO)M. Thomson, J. Winterbottom | Proposed Standard | February 2008 |
| 5133 | Terminal Endpoint Identifier (TEI) Query Request Number ChangeM. Tuexen, K. Morneault | Proposed Standard | December 2007 |
| 5124 | Extended Secure RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/SAVPF)J. Ott, E. Carrara | Proposed Standard | February 2008 |
| 5118 | Session Initiation Protocol (SIP) Torture Test Messages for Internet Protocol Version 6 (IPv6)V. Gurbani, C. Boulton, R. Sparks | Informational | February 2008 |
| 5117 | RTP TopologiesM. Westerlund, S. Wenger · obsoleted by RFC 7667 | Informational | January 2008 |
| 5109 | RTP Payload Format for Generic Forward Error CorrectionA. Li, Ed. | Proposed Standard | December 2007 |
| 5105 | ENUM Validation Token Format DefinitionO. Lendl | 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 |
| 5079 | Rejecting Anonymous Requests in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | December 2007 |
| 5076 | ENUM Validation Information Mapping for the Extensible Provisioning ProtocolB. Hoeneisen | Proposed Standard | December 2007 |
| 5067 | Infrastructure ENUM RequirementsS. Lind, P. Pfautz | Informational | November 2007 |
| 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 |
| 5028 | A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) ServicesR. Mahy | Proposed Standard | October 2007 |
| 5025 | Presence Authorization RulesJ. Rosenberg | Proposed Standard | December 2007 |
| 5018 | Connection Establishment in the Binary Floor Control Protocol (BFCP)G. Camarillo | Proposed Standard | September 2007 |
| 4979 | IANA Registration for Enumservice 'XMPP'A. Mayrhofer | Proposed Standard | August 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 |
| 4969 | IANA Registration for vCard EnumserviceA. Mayrhofer | Proposed Standard | August 2007 |
| 4958 | A Framework for Supporting Emergency Telecommunications Services (ETS) within a Single Administrative DomainK. Carlberg | Informational | July 2007 |
| 4916 | Connected Identity in the Session Initiation Protocol (SIP)J. Elwell | Proposed Standard | June 2007 |
| 4904 | Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)V. Gurbani, C. Jennings | Proposed Standard | June 2007 |
| 4901 | Protocol Extensions for Header Compression over MPLSJ. Ash, Ed., J. Hand, Ed., A. Malis, Ed. | Proposed Standard | June 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 |
| 4856 | Media Type Registration of Payload Formats in the RTP Profile for Audio and Video ConferencesS. Casner | Proposed Standard | February 2007 |
| 4855 | Media Type Registration of RTP Payload FormatsS. Casner | Proposed Standard | February 2007 |
| 4827 | An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Usage for Manipulating Presence Document ContentsM. Isomaki, E. Leppanen | Proposed Standard | May 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 |
| 4788 | Enhancements to RTP Payload Formats for EVRC Family CodecsQ. Xie, R. Kapoor | Proposed Standard | January 2007 |
| 4780 | Management Information Base for the Session Initiation Protocol (SIP)K. Lingle, J-F. Mule, J. Maeng, D. Walker | Proposed Standard | April 2007 |
| 4776 | Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration InformationH. Schulzrinne | Proposed Standard | November 2006 |
| 4769 | IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling InformationJ. Livingood, R. Shockey | Proposed Standard | November 2006 |
| 4759 | The ENUM Dip Indicator Parameter for the "tel" URIR. Stastny, R. Shockey, L. Conroy | Proposed Standard | December 2006 |
| 4749 | RTP Payload Format for the G.729.1 Audio CodecA. Sollaud | Proposed Standard | October 2006 |
| 4745 | Common Policy: A Document Format for Expressing Privacy PreferencesH. Schulzrinne, H. Tschofenig, J. Morris, J. Cuellar, J. Polk, J. Rosenberg | Proposed Standard | February 2007 |
| 4734 | Definition of Events for Modem, Fax, and Text Telephony SignalsH. Schulzrinne, T. Taylor | Proposed Standard | December 2006 |
| 4733 | RTP Payload for DTMF Digits, Telephony Tones, and Telephony SignalsH. Schulzrinne, T. Taylor | Proposed Standard | December 2006 |
| 4730 | A Session Initiation Protocol (SIP) Event Package for Key Press Stimulus (KPML)E. Burger, M. Dolly | Proposed Standard | November 2006 |
| 4725 | ENUM Validation ArchitectureA. Mayrhofer, B. Hoeneisen | Informational | November 2006 |
| 4696 | An Implementation Guide for RTP MIDIJ. Lazzaro, J. Wawrzynek | Informational | November 2006 |
| 4695 | RTP Payload Format for MIDIJ. Lazzaro, J. Wawrzynek · obsoleted by RFC 6295 | Proposed Standard | November 2006 |
| 4694 | Number Portability Parameters for the "tel" URIJ. Yu | Proposed Standard | October 2006 |
| 4676 | Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration InformationH. Schulzrinne · obsoleted by RFC 4776 | Proposed Standard | October 2006 |
| 4666 | Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)K. Morneault, Ed., J. Pastor-Balbas, Ed. | Proposed Standard | September 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 |
| 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 |
| 4628 | RTP Payload Format for H.263 Moving RFC 2190 to Historic StatusR. Even | Informational | February 2007 |
| 4598 | Real-time Transport Protocol (RTP) Payload Format for Enhanced AC-3 (E-AC-3) AudioB. Link | Proposed Standard | July 2006 |
| 4597 | Conferencing ScenariosR. Even, N. Ismail | Informational | August 2006 |
| 4596 | Guidelines for Usage of the Session Initiation Protocol (SIP) Caller Preferences ExtensionJ. Rosenberg, P. Kyzivat | Informational | July 2006 |
| 4589 | Location Types RegistryH. Schulzrinne, H. Tschofenig | Proposed Standard | July 2006 |
| 4588 | RTP Retransmission Payload FormatJ. Rey, D. Leon, A. Miyazaki, V. Varsa, R. Hakenberg | 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 |
| 4582 | The Binary Floor Control Protocol (BFCP)G. Camarillo, J. Ott, K. Drage · obsoleted by RFC 8855 | Proposed Standard | November 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 |
| 4573 | MIME Type Registration for RTP Payload Format for H.224R. Even, A. Lochbaum | 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 |
| 4569 | Internet Assigned Number Authority (IANA) Registration of the Message Media Feature TagG. Camarillo | Informational | July 2006 |
| 4538 | Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | June 2006 |
| 4508 | Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER MethodO. Levin, A. Johnston | Proposed Standard | May 2006 |
| 4497 | Interworking between the Session Initiation Protocol (SIP) and QSIGJ. Elwell, F. Derks, P. Mourot, O. Rousseau | Best Current Practice | May 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 |
| 4484 | Trait-Based Authorization Requirements for the Session Initiation Protocol (SIP)J. Peterson, J. Polk, D. Sicker, H. Tschofenig | Informational | August 2006 |
| 4483 | A Mechanism for Content Indirection in Session Initiation Protocol (SIP) MessagesE. Burger, Ed. | Proposed Standard | May 2006 |
| 4482 | CIPID: Contact Information for the Presence Information Data FormatH. Schulzrinne | Proposed Standard | July 2006 |
| 4481 | Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time IntervalsH. 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 |
| 4479 | A Data Model for PresenceJ. Rosenberg | Proposed Standard | July 2006 |
| 4475 | Session Initiation Protocol (SIP) Torture Test MessagesR. Sparks, Ed., A. Hawrylyshen, A. Johnston, J. Rosenberg, H. Schulzrinne | Informational | May 2006 |
| 4474 | Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)J. Peterson, C. Jennings · obsoleted by RFC 8224 | Proposed Standard | August 2006 |
| 4453 | Requirements for Consent-Based Communications in the Session Initiation Protocol (SIP)J. Rosenberg, G. Camarillo, Ed., D. Willis | Informational | April 2006 |
| 4425 | RTP Payload Format for Video Codec 1 (VC-1)A. Klemets | Proposed Standard | February 2006 |
| 4424 | Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Extension Audio CodecS. Ahmadi | Proposed Standard | February 2006 |
| 4421 | RTP Payload Format for Uncompressed Video: Additional Colour Sampling ModesC. Perkins | Proposed Standard | February 2006 |
| 4415 | IANA Registration for Enumservice VoiceR. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2006 |
| 4414 | An ENUM Registry Type for the Internet Registry Information Service (IRIS)A. Newton | Proposed Standard | February 2006 |
| 4412 | Communications Resource Priority for the Session Initiation Protocol (SIP)H. Schulzrinne, J. Polk | Proposed Standard | February 2006 |
| 4411 | Extending the Session Initiation Protocol (SIP) Reason Header for Preemption EventsJ. Polk | Proposed Standard | February 2006 |
| 4396 | RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed TextJ. Rey, Y. Matsui | Proposed Standard | February 2006 |
| 4376 | Requirements for Floor Control ProtocolsP. Koskelainen, J. Ott, H. Schulzrinne, X. Wu | Informational | February 2006 |
| 4375 | Emergency Telecommunications Services (ETS) Requirements for a Single Administrative DomainK. Carlberg | Informational | January 2006 |
| 4355 | IANA Registration for Enumservices email, fax, mms, ems, and smsR. Brandner, L. Conroy, R. Stastny | Proposed Standard | January 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 |
| 4321 | Problems Identified Associated with the Session Initiation Protocol's (SIP) Non-INVITE TransactionR. Sparks | Informational | January 2006 |
| 4320 | Actions Addressing Identified Issues with the Session Initiation Protocol's (SIP) Non-INVITE TransactionR. Sparks | Proposed Standard | January 2006 |
| 4313 | Requirements for Distributed Control of Automatic Speech Recognition (ASR), Speaker Identification/Speaker Verification (SI/SV), and Text-to-Speech (TTS) ResourcesD. Oran | Informational | December 2005 |
| 4298 | RTP Payload Format for BroadVoice Speech CodecsJ.-H. Chen, W. Lee, J. Thyssen | Proposed Standard | December 2005 |
| 4247 | Requirements for Header Compression over MPLSJ. Ash, B. Goode, J. Hand, R. Zhang | Informational | November 2005 |
| 4245 | High-Level Requirements for Tightly Coupled SIP ConferencingO. Levin, R. Even | Informational | November 2005 |
| 4244 | An Extension to the Session Initiation Protocol (SIP) for Request History InformationM. Barnes, Ed. · obsoleted by RFC 7044 | Proposed Standard | November 2005 |
| 4235 | An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, R. Mahy, Ed. | Proposed Standard | November 2005 |
| 4233 | Integrated Services Digital Network (ISDN) Q.921-User Adaptation LayerK. Morneault, S. Rengasami, M. Kalla, G. Sidebottom | Proposed Standard | January 2006 |
| 4190 | Framework for Supporting Emergency Telecommunications Service (ETS) in IP TelephonyK. Carlberg, I. Brown, C. Beard | Informational | November 2005 |
| 4189 | Requirements for End-to-Middle Security for the Session Initiation Protocol (SIP)K. Ono, S. Tachimoto | Informational | October 2005 |
| 4184 | RTP Payload Format for AC-3 AudioB. Link, T. Hager, J. Flaks | Proposed Standard | October 2005 |
| 4175 | RTP Payload Format for Uncompressed VideoL. Gharai, C. Perkins | Proposed Standard | September 2005 |
| 4170 | Tunneling Multiplexed Compressed RTP (TCRTP)B. Thompson, T. Koren, D. Wing | Best Current Practice | November 2005 |
| 4168 | The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, G. Camarillo | Proposed Standard | October 2005 |
| 4166 | Telephony Signalling Transport over Stream Control Transmission Protocol (SCTP) Applicability StatementL. Coene, J. Pastor-Balbas | Informational | February 2006 |
| 4165 | Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Peer-to-Peer Adaptation Layer (M2PA)T. George, B. Bidulock, R. Dantu, H. Schwarzbauer, K. Morneault | Proposed Standard | September 2005 |
| 4129 | Digital Private Network Signaling System (DPNSS)/Digital Access Signaling System 2 (DASS 2) Extensions to the IUA ProtocolR. Mukundan, K. Morneault, N. Mangalpally | Proposed Standard | September 2005 |
| 4119 | A Presence-based GEOPRIV Location Object FormatJ. Peterson | Proposed Standard | December 2005 |
| 4117 | Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc)G. Camarillo, E. Burger, H. Schulzrinne, A. van Wijk | Informational | June 2005 |
| 4114 | E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)S. Hollenbeck | Proposed Standard | June 2005 |
| 4103 | RTP Payload for Text ConversationG. Hellstrom, P. Jones | Proposed Standard | June 2005 |
| 4102 | Registration of the text/red MIME Sub-TypeP. 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 |
| 4079 | A Presence Architecture for the Distribution of GEOPRIV Location ObjectsJ. Peterson | Informational | July 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 |
| 4002 | IANA Registration for Enumservice 'web' and 'ft'R. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2005 |
| 3994 | Indication of Message Composition for Instant MessagingH. Schulzrinne | Proposed Standard | February 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 |
| 3969 | The Internet Assigned Number Authority (IANA) Uniform Resource Identifier (URI) Parameter Registry for the Session Initiation Protocol (SIP)G. Camarillo | Best Current Practice | December 2004 |
| 3968 | The Internet Assigned Number Authority (IANA) Header Field Parameter Registry for the Session Initiation Protocol (SIP)G. Camarillo | Best Current Practice | December 2004 |
| 3966 | The tel URI for Telephone NumbersH. Schulzrinne | Proposed Standard | December 2004 |
| 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 |
| 3953 | Telephone Number Mapping (ENUM) Service Registration for Presence ServicesJ. Peterson | Proposed Standard | January 2005 |
| 3952 | Real-time Transport Protocol (RTP) Payload Format for internet Low Bit Rate Codec (iLBC) SpeechA. Duric, S. Andersen | Experimental | December 2004 |
| 3951 | Internet Low Bit Rate Codec (iLBC)S. Andersen, A. Duric, H. Astrom, R. Hagen, W. Kleijn, J. Linden | Experimental | December 2004 |
| 3911 | The Session Initiation Protocol (SIP) "Join" HeaderR. Mahy, D. Petrie | Proposed Standard | October 2004 |
| 3903 | Session Initiation Protocol (SIP) Extension for Event State PublicationA. Niemi, Ed. | Proposed Standard | November 2004 |
| 3893 | Session Initiation Protocol (SIP) Authenticated Identity Body (AIB) FormatJ. Peterson | Proposed Standard | September 2004 |
| 3892 | The Session Initiation Protocol (SIP) Referred-By MechanismR. Sparks | Proposed Standard | September 2004 |
| 3891 | The Session Initiation Protocol (SIP) "Replaces" HeaderR. Mahy, B. Biggs, R. Dean | Proposed Standard | September 2004 |
| 3880 | Call Processing Language (CPL): A Language for User Control of Internet Telephony ServicesJ. Lennox, X. Wu, H. Schulzrinne | Proposed Standard | November 2004 |
| 3873 | Stream Control Transmission Protocol (SCTP) Management Information Base (MIB)J. Pastor, M. Belinchon | Proposed Standard | September 2004 |
| 3872 | Management Information Base for Telephony Routing over IP (TRIP)D. Zinman, D. Walker, J. Jiang | Proposed Standard | September 2004 |
| 3868 | Signalling Connection Control Part User Adaptation Layer (SUA)J. Loughney, Ed., G. Sidebottom, L. Coene, G. Verwimp, J. Keller, B. Bidulock | Proposed Standard | October 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 |
| 3853 | S/MIME Advanced Encryption Standard (AES) Requirement for the Session Initiation Protocol (SIP)J. Peterson | Proposed Standard | July 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 |
| 3825 | Dynamic Host Configuration Protocol Option for Coordinate-based Location Configuration InformationJ. Polk, J. Schnizlein, M. Linsner · obsoleted by RFC 6225 | Proposed Standard | July 2004 |
| 3824 | Using E.164 numbers with the Session Initiation Protocol (SIP)J. Peterson, H. Liu, J. Yu, B. Campbell | Informational | June 2004 |
| 3807 | V5.2-User Adaptation Layer (V5UA)E. Weilandt, N. Khanchandani, S. Rao | Proposed Standard | June 2004 |
| 3788 | Security Considerations for Signaling Transport (SIGTRAN) ProtocolsJ. Loughney, M. Tuexen, Ed., J. Pastor-Balbas | Proposed Standard | June 2004 |
| 3764 | enumservice registration for Session Initiation Protocol (SIP) Addresses-of-RecordJ. Peterson | Proposed Standard | April 2004 |
| 3762 | Telephone Number Mapping (ENUM) Service Registration for H.323O. Levin | Proposed Standard | April 2004 |
| 3761 | The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)P. Faltstrom, M. Mealling · obsoleted by RFC 6116, RFC 6117 | Proposed Standard | April 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 |
| 3711 | The Secure Real-time Transport Protocol (SRTP)M. Baugher, D. McGrew, M. Naslund, E. Carrara, K. Norrman | Proposed Standard | March 2004 |
| 3702 | Authentication, Authorization, and Accounting Requirements for the Session Initiation Protocol (SIP)J. Loughney, G. Camarillo | Informational | February 2004 |
| 3694 | Threat Analysis of the Geopriv ProtocolM. Danley, D. Mulligan, J. Morris, J. Peterson | Informational | February 2004 |
| 3693 | Geopriv RequirementsJ. Cuellar, J. Morris, D. Mulligan, J. Peterson, J. Polk | Informational | February 2004 |
| 3690 | IP Telephony Requirements for Emergency Telecommunication Service (ETS)K. Carlberg, R. Atkinson | Informational | February 2004 |
| 3689 | General Requirements for Emergency Telecommunication Service (ETS)K. Carlberg, R. Atkinson | Informational | February 2004 |
| 3680 | A Session Initiation Protocol (SIP) Event Package for RegistrationsJ. Rosenberg | Proposed Standard | March 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 |
| 3640 | RTP Payload Format for Transport of MPEG-4 Elementary StreamsJ. van der Meer, D. Mackie, V. Swaminathan, D. Singer, P. Gentric | Proposed Standard | December 2003 |
| 3611 | RTP Control Protocol Extended Reports (RTCP XR)T. Friedman, Ed., R. Caceres, Ed., A. Clark, Ed. | Proposed Standard | November 2003 |
| 3608 | Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During RegistrationD. Willis, B. Hoeneisen | Proposed Standard | October 2003 |
| 3581 | An Extension to the Session Initiation Protocol (SIP) for Symmetric Response RoutingJ. Rosenberg, H. Schulzrinne | Proposed Standard | August 2003 |
| 3578 | Mapping of Integrated Services Digital Network (ISDN) User Part (ISUP) Overlap Signalling to the Session Initiation Protocol (SIP)G. Camarillo, A. B. Roach, J. Peterson, L. Ong | Proposed Standard | August 2003 |
| 3558 | RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)A. Li | Proposed Standard | July 2003 |
| 3557 | RTP Payload Format for European Telecommunications Standards Institute (ETSI) European Standard ES 201 108 Distributed Speech Recognition EncodingQ. Xie, Ed. | Proposed Standard | July 2003 |
| 3556 | Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) BandwidthS. Casner | Proposed Standard | July 2003 |
| 3555 | MIME Type Registration of RTP Payload FormatsS. Casner, P. Hoschka · obsoleted by RFC 4855, RFC 4856 | Proposed Standard | July 2003 |
| 3551 | RTP Profile for Audio and Video Conferences with Minimal ControlH. Schulzrinne, S. Casner | Internet Standard | July 2003 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3545 | Enhanced Compressed RTP (CRTP) for Links with High Delay, Packet Loss and ReorderingT. Koren, S. Casner, J. Geevarghese, B. Thompson, P. Ruddy | Proposed Standard | July 2003 |
| 3525 | Gateway Control Protocol Version 1C. Groves, Ed., M. Pantaleo, Ed., T. Anderson, Ed., T. Taylor, Ed. · obsoleted by RFC 5125 | Historic | June 2003 |
| 3523 | Internet Emergency Preparedness (IEPREP) Telephony Topology TerminologyJ. Polk | Informational | April 2003 |
| 3515 | The Session Initiation Protocol (SIP) Refer MethodR. Sparks | Proposed Standard | April 2003 |
| 3497 | RTP Payload Format for Society of Motion Picture and Television Engineers (SMPTE) 292M VideoL. Gharai, C. Perkins, G. Goncher, A. Mankin | Proposed Standard | March 2003 |
| 3487 | Requirements for Resource Priority Mechanisms for the Session Initiation Protocol (SIP)H. Schulzrinne | Informational | March 2003 |
| 3486 | Compressing the Session Initiation Protocol (SIP)G. Camarillo | Proposed Standard | February 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 |
| 3482 | Number Portability in the Global Switched Telephone Network (GSTN): An OverviewM. Foster, T. McGarry, J. Yu | Informational | February 2003 |
| 3428 | Session Initiation Protocol (SIP) Extension for Instant MessagingB. Campbell, Ed., J. Rosenberg, H. Schulzrinne, C. Huitema, D. Gurle | Proposed Standard | December 2002 |
| 3420 | Internet Media Type message/sipfragR. Sparks | Proposed Standard | November 2002 |
| 3398 | Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) MappingG. Camarillo, A. B. Roach, J. Peterson, L. Ong | Proposed Standard | December 2002 |
| 3389 | Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN)R. Zopf | Proposed Standard | October 2002 |
| 3372 | Session Initiation Protocol for Telephones (SIP-T): Context and ArchitecturesA. Vemuri, J. Peterson | Best Current Practice | September 2002 |
| 3361 | Dynamic Host Configuration Protocol (DHCP-for-IPv4) Option for Session Initiation Protocol (SIP) ServersH. Schulzrinne | Proposed Standard | August 2002 |
| 3351 | User Requirements for the Session Initiation Protocol (SIP) in Support of Deaf, Hard of Hearing and Speech-impaired IndividualsN. Charlton, M. Gasson, G. Gybels, M. Spanner, A. van Wijk | Informational | August 2002 |
| 3332 | Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)G. Sidebottom, Ed., K. Morneault, Ed., J. Pastor-Balbas, Ed. · obsoleted by RFC 4666 | Proposed Standard | September 2002 |
| 3331 | Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Adaptation LayerK. Morneault, R. Dantu, G. Sidebottom, B. Bidulock, J. Heitz | Proposed Standard | September 2002 |
| 3329 | Security Mechanism Agreement for the Session Initiation Protocol (SIP)J. Arkko, V. Torvinen, G. Camarillo, A. Niemi, T. Haukka | Proposed Standard | January 2003 |
| 3327 | Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent ContactsD. Willis, B. Hoeneisen | Proposed Standard | December 2002 |
| 3326 | The Reason Header Field for the Session Initiation Protocol (SIP)H. Schulzrinne, D. Oran, G. Camarillo | Proposed Standard | December 2002 |
| 3325 | Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted NetworksC. Jennings, J. Peterson, M. Watson | Informational | December 2002 |
| 3324 | Short Term Requirements for Network Asserted IdentityM. Watson | Informational | December 2002 |
| 3323 | A Privacy Mechanism for the Session Initiation Protocol (SIP)J. Peterson | Proposed Standard | December 2002 |
| 3319 | Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) ServersH. Schulzrinne, B. Volz | Proposed Standard | July 2003 |
| 3313 | Private Session Initiation Protocol (SIP) Extensions for Media AuthorizationW. Marshall, Ed. | Informational | January 2003 |
| 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 |
| 3310 | Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA)A. Niemi, J. Arkko, V. Torvinen | Informational | September 2002 |
| 3267 | Real-Time Transport Protocol (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 · obsoleted by RFC 4867 | Proposed Standard | July 2002 |
| 3265 | Session Initiation Protocol (SIP)-Specific Event NotificationA. B. Roach · obsoleted by RFC 6665 | Proposed Standard | July 2002 |
| 3263 | Session Initiation Protocol (SIP): Locating SIP ServersJ. Rosenberg, H. Schulzrinne | Proposed Standard | July 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 |
| 3257 | Stream Control Transmission Protocol Applicability StatementL. Coene | Informational | April 2002 |
| 3219 | Telephony Routing over IP (TRIP)J. Rosenberg, H. Salama, M. Squire | Proposed Standard | January 2002 |
| 3204 | MIME media types for ISUP and QSIG ObjectsE. Zimmerer, J. Peterson, A. Vemuri, L. Ong, F. Audet, M. Watson, M. Zonoun | Proposed Standard | December 2001 |
| 3190 | RTP Payload Format for 12-bit DAT Audio and 20- and 24-bit Linear Sampled AudioK. Kobayashi, A. Ogawa, S. Casner, C. Bormann | Proposed Standard | January 2002 |
| 3189 | RTP Payload Format for DV (IEC 61834) VideoK. Kobayashi, A. Ogawa, S. Casner, C. Bormann · obsoleted by RFC 6469 | Proposed Standard | January 2002 |
| 3158 | RTP Testing StrategiesC. Perkins, J. Rosenberg, H. Schulzrinne | Informational | August 2001 |
| 3119 | A More Loss-Tolerant RTP Payload Format for MP3 AudioR. Finlayson · obsoleted by RFC 5219 | Proposed Standard | June 2001 |
| 3057 | ISDN Q.921-User Adaptation LayerK. Morneault, S. Rengasami, M. Kalla, G. Sidebottom · obsoleted by RFC 4233 | Proposed Standard | February 2001 |
| 3054 | Megaco IP Phone Media Gateway Application ProfileP. Blatherwick, R. Bell, P. Holland | Informational | January 2001 |
| 3047 | RTP Payload Format for ITU-T Recommendation G.722.1P. Luthi · obsoleted by RFC 5577 | Proposed Standard | January 2001 |
| 3016 | RTP Payload Format for MPEG-4 Audio/Visual StreamsY. Kikuchi, T. Nomura, S. Fukunaga, Y. Matsui, H. Kimata · obsoleted by RFC 6416 | Proposed Standard | November 2000 |
| 3015 | Megaco Protocol Version 1.0F. Cuervo, N. Greene, A. Rayhan, C. Huitema, B. Rosen, J. Segers · obsoleted by RFC 3525 | Proposed Standard | November 2000 |
| 3009 | Registration of parityfec MIME typesJ. Rosenberg, H. Schulzrinne · obsoleted by RFC 5109 | Proposed Standard | November 2000 |
| 2976 | The SIP INFO MethodS. Donovan · obsoleted by RFC 6086 | Proposed Standard | October 2000 |
| 2960 | Stream Control Transmission ProtocolR. Stewart, Q. Xie, K. Morneault, C. Sharp, H. Schwarzbauer, T. Taylor, I. Rytina, M. Kalla, L. Zhang, V. Paxson · obsoleted by RFC 4960 | Proposed Standard | October 2000 |
| 2959 | Real-Time Transport Protocol Management Information BaseM. Baugher, B. Strahm, I. Suconick | Proposed Standard | October 2000 |
| 2916 | E.164 number and DNSP. Faltstrom · obsoleted by RFC 3761 | Proposed Standard | September 2000 |
| 2886 | Megaco ErrataT. Taylor · obsoleted by RFC 3015 | Historic | August 2000 |
| 2885 | Megaco Protocol version 0.8F. Cuervo, N. Greene, C. Huitema, A. Rayhan, B. Rosen, J. Segers · obsoleted by RFC 3015 | Historic | August 2000 |
| 2871 | A Framework for Telephony Routing over IPJ. Rosenberg, H. Schulzrinne | Informational | June 2000 |
| 2862 | RTP Payload Format for Real-Time PointersM. Civanlar, G. Cash | Proposed Standard | June 2000 |
| 2833 | RTP Payload for DTMF Digits, Telephony Tones and Telephony SignalsH. Schulzrinne, S. Petrack · obsoleted by RFC 4733, RFC 4734 | Proposed Standard | May 2000 |
| 2824 | Call Processing Language Framework and RequirementsJ. Lennox, H. Schulzrinne | Informational | May 2000 |
| 2805 | Media Gateway Control Protocol Architecture and RequirementsN. Greene, M. Ramalho, B. Rosen | Informational | April 2000 |
| 2793 | RTP Payload for Text ConversationG. Hellstrom · obsoleted by RFC 4103 | Proposed Standard | May 2000 |
| 2762 | Sampling of the Group Membership in RTPJ. Rosenberg, H. Schulzrinne | Experimental | February 2000 |
| 2736 | Guidelines for Writers of RTP Payload Format SpecificationsM. Handley, C. Perkins | Best Current Practice | December 1999 |
| 2733 | An RTP Payload Format for Generic Forward Error CorrectionJ. Rosenberg, H. Schulzrinne · obsoleted by RFC 5109 | Proposed Standard | December 1999 |
| 2719 | Framework Architecture for Signaling TransportL. Ong, I. Rytina, M. Garcia, H. Schwarzbauer, L. Coene, H. Lin, I. Juhasz, M. Holdrege, C. Sharp | Informational | October 1999 |
| 2508 | Compressing IP/UDP/RTP Headers for Low-Speed Serial LinksS. Casner, V. Jacobson | Proposed Standard | February 1999 |
| 2435 | RTP Payload Format for JPEG-compressed VideoL. Berc, W. Fenner, R. Frederick, S. McCanne, P. Stewart | Proposed Standard | October 1998 |
| 2431 | RTP Payload Format for BT.656 Video EncodingD. Tynan | Proposed Standard | October 1998 |
| 2429 | RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)C. Bormann, L. Cline, G. Deisher, T. Gardos, C. Maciocco, D. Newell, J. Ott, G. Sullivan, S. Wenger, C. Zhu · obsoleted by RFC 4629 | Proposed Standard | October 1998 |
| 2354 | Options for Repair of Streaming MediaC. Perkins, O. Hodson | Informational | June 1998 |
| 2343 | RTP Payload Format for Bundled MPEGM. Civanlar, G. Cash, B. Haskell | Experimental | May 1998 |
| 2250 | RTP Payload Format for MPEG1/MPEG2 VideoD. Hoffman, G. Fernando, V. Goyal, M. Civanlar | Proposed Standard | January 1998 |
| 2198 | RTP Payload for Redundant Audio DataC. Perkins, I. Kouvelas, O. Hodson, V. Hardman, M. Handley, J.C. Bolot, A. Vega-Garcia, S. Fosse-Parisis | Proposed Standard | September 1997 |
| 2190 | RTP Payload Format for H.263 Video StreamsC. Zhu | Historic | September 1997 |
| 2038 | RTP Payload Format for MPEG1/MPEG2 VideoD. Hoffman, G. Fernando, V. Goyal · obsoleted by RFC 2250 | Proposed Standard | October 1996 |
| 2035 | RTP Payload Format for JPEG-compressed VideoL. Berc, W. Fenner, R. Frederick, S. McCanne · obsoleted by RFC 2435 | Proposed Standard | October 1996 |
| 2032 | RTP Payload Format for H.261 Video StreamsT. Turletti, C. Huitema · obsoleted by RFC 4587 | Proposed Standard | October 1996 |
| 2029 | RTP Payload Format of Sun's CellB Video EncodingM. Speer, D. Hoffman | Proposed Standard | October 1996 |
| 1890 | RTP Profile for Audio and Video Conferences with Minimal ControlAudio-Video Transport Working Group, H. Schulzrinne · obsoleted by RFC 3551 | Proposed Standard | January 1996 |
| 1889 | RTP: A Transport Protocol for Real-Time ApplicationsAudio-Video Transport Working Group, H. Schulzrinne, S. Casner, R. Frederick, V. Jacobson · obsoleted by RFC 3550 | Proposed Standard | January 1996 |