SIP: Session Initiation Protocol. - Jonathan D. Rosenberg; Henning Schulzrinne; Gonzalo Camarillo; Alan B. Johnston; Jon Peterson; Robert Sparks; Mark Handley; Eve M. Schooler (RFC, 2002)

Session Initiation Protocol (SIP) Basic Call Flow Examples. - Alan B. Johnston; Steve Donovan; Robert Sparks; Chris Cunningham; Kevin Summers (RFC, 2003)

Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows. - Alan B. Johnston; Steve Donovan; Robert Sparks; Chris Cunningham; Kevin Summers (RFC, 2003)

Session Description Protocol (SDP) Offer/Answer Examples. - Alan B. Johnston; Robert J. Sparks (RFC, 2005)

Session Initiation Protocol (SIP) Torture Test Messages. - Robert J. Sparks; Alan Hawrylyshen; Alan B. Johnston; Jonathan D. Rosenberg; Henning Schulzrinne (RFC, 2006)

Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER Method. - Orit Levin; Alan B. Johnston (RFC, 2006)

Session Initiation Protocol (SIP) Call Control - Conferencing for User Agents. - Alan B. Johnston; Orit Levin (RFC, 2006)

Session Initiation Protocol Service Examples. - Alan B. Johnston; Robert J. Sparks; Chris Cunningham; Steve Donovan; Kevin Summers (RFC, 2008)

Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP). - Gonzalo Camarillo; Alan B. Johnston (RFC, 2008)

Session Initiation Protocol (SIP) Call Control - Transfer. - Robert Sparks; Alan B. Johnston; Daniel Petrie (RFC, 2009)

A Call Control and Multi-Party Usage Framework for the Session Initiation Protocol (SIP). - Rohan Mahy; Robert Sparks; Jonathan D. Rosenberg; Daniel Petrie; Alan B. Johnston (RFC, 2010)

HIP BONE: Host Identity Protocol (HIP) Based Overlay Networking Environment (BONE). - Gonzalo Camarillo; Pekka Nikander; Jani Hautakorpi; Ari Keränen; Alan B. Johnston (RFC, 2011)

The Session Initiation Protocol (SIP): An Evolutionary Study. - Salman Abdul Baset; Vijay K. Gurbani; Alan B. Johnston; Hadriel Kaplan; Brian Rosen; Jonathan D. Rosenberg (J. Commun., 2012)

Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIP. - Alan B. Johnston; Laura Liess (RFC, 2012)

URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP). - Laura Liess; Roland Jesske; Alan B. Johnston; Dale R. Worley; Paul Kyzivat (RFC, 2015)

Shared Appearances of a Session Initiation Protocol (SIP) Address of Record (AOR). - Alan B. Johnston; Mohsen Soroushnejad; Venkataramanan Venkatesh (RFC, 2015)

Session Recording Protocol. - Leon Portman; Henry Lum; Charles Eckel; Alan B. Johnston; Andrew Hutton (RFC, 2016)

An Opportunistic Approach for Secure Real-time Transport Protocol (OSRTP). - Alan B. Johnston; Bernard Aboba; Andrew Hutton; Roland Jesske; Thomas Stach (RFC, 2019)

Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN). - Tirumaleswar Reddy; Alan B. Johnston; Philip Matthews; Jonathan D. Rosenberg (RFC, 2020)