<reference anchor="RFC3261" target="https://www.rfc-editor.org/info/rfc3261" xml:base="https://xml2rfc.tools.ietf.org/public/rfc/bibxml/reference.RFC.3261.xml">
<front>
<title>SIP: Session Initiation Protocol</title>
<author initials="J." surname="Rosenberg" fullname="J. Rosenberg"><organization/></author>
<author initials="H." surname="Schulzrinne" fullname="H. Schulzrinne"><organization/></author>
<author initials="G." surname="Camarillo" fullname="G. Camarillo"><organization/></author>
<author initials="A." surname="Johnston" fullname="A. Johnston"><organization/></author>
<author initials="J." surname="Peterson" fullname="J. Peterson"><organization/></author>
<author initials="R." surname="Sparks" fullname="R. Sparks"><organization/></author>
<author initials="M." surname="Handley" fullname="M. Handley"><organization/></author>
<author initials="E." surname="Schooler" fullname="E. Schooler"><organization/></author>
<date year="2002" month="June"/>
<abstract><t>This document describes Session Initiation Protocol (SIP), an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants.  These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences.  [STANDARDS-TRACK]</t></abstract>
</front>
<seriesInfo name="RFC" value="3261"/>
<seriesInfo name="DOI" value="10.17487/RFC3261"/>
</reference>