Documents by A. Johnston
2002, RFC3261: SIP: Session Initiation Protocol
2003, RFC3665: Session Initiation Protocol (SIP) Basic Call Flow Examples
2003, RFC3666: Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows
2005, RFC4317: Session Description Protocol (SDP) Offer/Answer Examples
2006, RFC4475: Session Initiation Protocol (SIP) Torture Test Messages
2008, RFC5359: Session Initiation Protocol Service Examples
2008, RFC5366: Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)
2009, RFC5589: Session Initiation Protocol (SIP) Call Control - Transfer
2009, RFC5638: Simple SIP Usage Scenario for Applications in the Endpoints
2010, RFC5850: A Call Control and Multi-Party Usage Framework for the Session Initiation Protocol (SIP)
2011, RFC6189: ZRTP: Media Path Key Agreement for Unicast Secure RTP
2012, RFC6567: Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIP
2015, RFC7434: Interworking ISDN Call Control User Information with SIP
2016, RFC7866: Session Recording Protocol