| 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 |
| 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 |
| 5507 | Design Choices When Expanding the DNSIAB, P. Faltstrom, Ed., R. Austein, Ed., P. Koch, Ed. | Informational | April 2009 |
| 5486 | Session Peering for Multimedia Interconnect (SPEERMINT) TerminologyD. Malas, Ed., D. Meyer, Ed. | Informational | March 2009 |
| 5483 | ENUM Implementation Issues and ExperiencesL. Conroy, K. Fujiwara | Informational | March 2009 |
| 5456 | IAX: Inter-Asterisk eXchange Version 2M. Spencer, B. Capouch, E. Guy, Ed., F. Miller, K. Shumard | Informational | February 2010 |
| 5346 | Operational Requirements for ENUM-Based Softswitch UseJ. Lim, W. Kim, C. Park, L. Conroy | Informational | October 2008 |
| 5333 | IANA Registration of Enumservices for Internet CalendaringR. Mahy, B. Hoeneisen | Proposed Standard | October 2009 |
| 5278 | IANA Registration of Enumservices for Voice and Video MessagingJ. Livingood, D. Troshynski | Proposed Standard | July 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 |
| 5105 | ENUM Validation Token Format DefinitionO. Lendl | 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 |
| 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 |
| 4979 | IANA Registration for Enumservice 'XMPP'A. Mayrhofer | Proposed Standard | August 2007 |
| 4969 | IANA Registration for vCard EnumserviceA. Mayrhofer | Proposed Standard | August 2007 |
| 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 |
| 4725 | ENUM Validation ArchitectureA. Mayrhofer, B. Hoeneisen | Informational | November 2006 |
| 4479 | A Data Model for PresenceJ. Rosenberg | Proposed Standard | July 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 |
| 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 |
| 4355 | IANA Registration for Enumservices email, fax, mms, ems, and smsR. Brandner, L. Conroy, R. Stastny | Proposed Standard | January 2006 |
| 4238 | Voice Message Routing ServiceG. Vaudreuil | Proposed Standard | October 2005 |
| 4143 | Facsimile Using Internet Mail (IFAX) Service of ENUMK. Toyoda, D. Crocker | Proposed Standard | November 2005 |
| 4114 | E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)S. Hollenbeck | Proposed Standard | June 2005 |
| 4095 | Attaching Meaning to Solicitation Class KeywordsC. Malamud | Proposed Standard | May 2005 |
| 4002 | IANA Registration for Enumservice 'web' and 'ft'R. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2005 |
| 3966 | The tel URI for Telephone NumbersH. Schulzrinne | Proposed Standard | December 2004 |
| 3953 | Telephone Number Mapping (ENUM) Service Registration for Presence ServicesJ. Peterson | Proposed Standard | January 2005 |
| 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 |
| 3824 | Using E.164 numbers with the Session Initiation Protocol (SIP)J. Peterson, H. Liu, J. Yu, B. Campbell | Informational | 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 |