| 8656 | Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)T. Reddy, Ed., A. Johnston, Ed., P. Matthews, J. Rosenberg | Proposed Standard | February 2020 |
| 8643 | An Opportunistic Approach for Secure Real-time Transport Protocol (OSRTP)A. Johnston, B. Aboba, A. Hutton, R. Jesske, T. Stach | Informational | August 2019 |
| 7866 | Session Recording ProtocolL. Portman, H. Lum, Ed., C. Eckel, A. Johnston, A. Hutton | Proposed Standard | May 2016 |
| 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 |
| 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 |
| 6567 | Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIPA. Johnston, L. Liess | Informational | April 2012 |
| 6189 | ZRTP: Media Path Key Agreement for Unicast Secure RTPP. Zimmermann, A. Johnston, Ed., J. Callas | Informational | April 2011 |
| 6079 | HIP BONE: Host Identity Protocol (HIP) Based Overlay Networking Environment (BONE)G. Camarillo, P. Nikander, J. Hautakorpi, A. Keranen, A. Johnston | Experimental | January 2011 |
| 6035 | Session Initiation Protocol Event Package for Voice Quality ReportingA. Pendleton, A. Clark, A. Johnston, H. Sinnreich | Proposed Standard | November 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 |
| 5638 | Simple SIP Usage Scenario for Applications in the EndpointsH. Sinnreich, Ed., A. Johnston, E. Shim, K. Singh | Informational | September 2009 |
| 5589 | Session Initiation Protocol (SIP) Call Control - TransferR. Sparks, A. Johnston, Ed., D. Petrie | Best Current Practice | June 2009 |
| 5366 | Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)G. Camarillo, A. Johnston | 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 |
| 4579 | Session Initiation Protocol (SIP) Call Control - Conferencing for User AgentsA. Johnston, O. Levin | Best Current Practice | August 2006 |
| 4508 | Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER MethodO. Levin, A. Johnston | Proposed Standard | May 2006 |
| 4475 | Session Initiation Protocol (SIP) Torture Test MessagesR. Sparks, Ed., A. Hawrylyshen, A. Johnston, J. Rosenberg, H. Schulzrinne | Informational | May 2006 |
| 4317 | Session Description Protocol (SDP) Offer/Answer ExamplesA. Johnston, R. Sparks | Informational | December 2005 |
| 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 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |