| 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 |
| 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 |
| 3057 | ISDN Q.921-User Adaptation LayerK. Morneault, S. Rengasami, M. Kalla, G. Sidebottom · obsoleted by RFC 4233 | Proposed Standard | February 2001 |
| 3257 | Stream Control Transmission Protocol Applicability StatementL. Coene | Informational | April 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 |
| 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 |
| 3436 | Transport Layer Security over Stream Control Transmission ProtocolA. Jungmaier, E. Rescorla, M. Tuexen | Proposed Standard | December 2002 |
| 3788 | Security Considerations for Signaling Transport (SIGTRAN) ProtocolsJ. Loughney, M. Tuexen, Ed., J. Pastor-Balbas | Proposed Standard | June 2004 |
| 3807 | V5.2-User Adaptation Layer (V5UA)E. Weilandt, N. Khanchandani, S. Rao | Proposed Standard | June 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 |
| 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 |
| 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 |