| 2029 | RTP Payload Format of Sun's CellB Video EncodingM. Speer, D. Hoffman | Proposed Standard | October 1996 |
| 2032 | RTP Payload Format for H.261 Video StreamsT. Turletti, C. Huitema · obsoleted by RFC 4587 | Proposed Standard | October 1996 |
| 2045 | Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message BodiesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2048 | Multipurpose Internet Mail Extensions (MIME) Part Four: Registration ProceduresN. Freed, J. Klensin, J. Postel · obsoleted by RFC 4288, RFC 4289 | Best Current Practice | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2190 | RTP Payload Format for H.263 Video StreamsC. Zhu | Historic | September 1997 |
| 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 |
| 2250 | RTP Payload Format for MPEG1/MPEG2 VideoD. Hoffman, G. Fernando, V. Goyal, M. Civanlar | Proposed Standard | January 1998 |
| 2327 | SDP: Session Description ProtocolM. Handley, V. Jacobson · obsoleted by RFC 4566 | Proposed Standard | April 1998 |
| 2343 | RTP Payload Format for Bundled MPEGM. Civanlar, G. Cash, B. Haskell | Experimental | May 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 |
| 2431 | RTP Payload Format for BT.656 Video EncodingD. Tynan | Proposed Standard | October 1998 |
| 2435 | RTP Payload Format for JPEG-compressed VideoL. Berc, W. Fenner, R. Frederick, S. McCanne, P. Stewart | Proposed Standard | October 1998 |
| 2586 | The Audio/L16 MIME content typeJ. Salsman, H. Alvestrand | Informational | May 1999 |
| 2658 | RTP Payload Format for PureVoice(tm) AudioK. McKay | Proposed Standard | August 1999 |
| 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 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3551 | RTP Profile for Audio and Video Conferences with Minimal ControlH. Schulzrinne, S. Casner | Internet Standard | July 2003 |