<!ENTITY NSVER "<p>If the protocol defined in this specification undergoes a revision that is not fully backwards-compatible with an older version, the XMPP Registrar shall increment the protocol version number found at the end of the XML namespaces defined herein, as described in Section 4 of <cite>XEP-0053</cite>.</p>">
<permissions>Permission is hereby granted, free of charge, to any person obtaining a copy of this specification (the "Specification"), to make use of the Specification without restriction, including without limitation the rights to implement the Specification in a software program, deploy the Specification in a network service, and copy, modify, merge, publish, translate, distribute, sublicense, or sell copies of the Specification, and to permit persons to whom the Specification is furnished to do so, subject to the condition that the foregoing copyright notice and this permission notice shall be included in all copies or substantial portions of the Specification. Unless separate permission is granted, modified works that are redistributed shall not contain misleading information regarding the authors, title, number, or publisher of the Specification, and shall not claim endorsement of the modified works by the authors, any organization or project to which the authors belong, or the XMPP Standards Foundation.</permissions>
<warranty>## NOTE WELL: This Specification is provided on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. ##</warranty>
<liability>In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall the XMPP Standards Foundation or any author of this Specification be liable for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising from, out of, or in connection with the Specification or the implementation, deployment, or other use of the Specification (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if the XMPP Standards Foundation or such author has been advised of the possibility of such damages.</liability>
<conformance>This XMPP Extension Protocol has been contributed in full conformance with the XSF's Intellectual Property Rights Policy (a copy of which can be found at <<link url='http://xmpp.org/extensions/ipr-policy.shtml'>http://xmpp.org/extensions/ipr-policy.shtml</link>> or obtained by writing to XMPP Standards Foundation, c/o Peter Saint-Andre, 1899 Wynkoop Street, Suite 600, Denver, CO 80202 USA).</conformance>
<!ENTITY RFC3920BISNOTE "<p><em>Note: This document describes a protocol or best practice that is intended for incorporation into the specification that will supersede &rfc3920; within the Internet Standards Process, i.e., &rfc3920bis;. This document is provided only for the purpose of open community discussion of the potential modification and will be obsoleted as soon as the relevant RFC is published.</em></p>" >
<!ENTITY RFC3921BISNOTE "<p><em>Note: This document describes a protocol or best practice that is intended for incorporation into the specification that will supersede &rfc3921; within the Internet Standards Process, i.e., &rfc3921bis;. This document is provided only for the purpose of open community discussion of the potential modification and will be obsoleted as soon as the relevant RFC is published.</em></p>" >
<!ENTITY BOOLEANNOTE "<note>In accordance with Section 3.2.2.1 of <cite>XML Schema Part 2: Datatypes</cite>, the allowable lexical representations for the xs:boolean datatype are the strings "0" and "false" for the concept 'false' and the strings "1" and "true" for the concept 'true'; implementations MUST support both styles of lexical representation.</note>" >
<!ENTITY REGPROCESS "<p>In order to submit new values to this registry, the registrant shall define an XML fragment of the following form and either include it in the relevant XMPP Extension Protocol or send it to the email address <registrar@xmpp.org>:</p>" >
<!ENTITY CONFORMANCE '<p>The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in &rfc2119;.</p>' >
<!ENTITY BOARD "<span class='ref'><link url='http://xmpp.org/xsf/board/'>XSF Board of Directors</link></span> <note>The XSF Board of Directors is an elected body that possesses overall responsibility for the affairs of the XMPP Standards Foundation. For further information, see <<link url='http://xmpp.org/xsf/board/'>http://xmpp.org/xsf/board/</link>>.</note>" >
<!ENTITY BYLAWS "<span class='ref'><link url='http://xmpp.org/xsf/docs/bylaws.shtml'>XSF Bylaws</link></span> <note>The Bylaws of the XMPP Standards Foundation (XSF) define the legal basis and operating procedures of the XSF. For further information, see <<link url='http://xmpp.org/xsf/docs/bylaws.shtml'>http://xmpp.org/xsf/docs/bylaws.shtml</link>>.</note>" >
<!ENTITY COUNCIL "<span class='ref'><link url='http://xmpp.org/council/'>XMPP Council</link></span> <note>The XMPP Council is a technical steering committee, authorized by the XSF Board of Directors and elected by XSF members, that approves of new XMPP Extensions Protocols and oversees the XSF's standards process. For further information, see <<link url='http://xmpp.org/council/'>http://xmpp.org/council/</link>>.</note>" >
<!ENTITY EDITOR "<span class='ref'><link url='http://xmpp.org/extensions/editor.shtml'>XMPP Extensions Editor</link></span> <note>The XMPP Extensions Editor is the individual appointed by the XSF Board of Directors to handle protocol submissions and provide day-to-day management of the XSF's standards process. For further information, see <<link url='http://xmpp.org/extensions/editor.shtml'>http://xmpp.org/extensions/editor.shtml</link>>.</note>" >
<!ENTITY XMPPICA "<span class='ref'><link url='http://xmpp.org/ca/'>XMPP Intermediate Certification Authority</link></span> <note>The XMPP Intermediate Certification Authority (ICA) issues free domain certificates to administrators of XMPP-based services. For further information, see <<link url='http://xmpp.org/ca/'>http://xmpp.org/ca/</link>>.</note>" >
<!ENTITY XSF "<span class='ref'><link url='http://xmpp.org/xsf/'>XMPP Standards Foundation (XSF)</link></span> <note>The XMPP Standards Foundation (XSF) is an independent, non-profit membership organization that develops open extensions to the IETF's Extensible Messaging and Presence Protocol (XMPP). For further information, see <<link url='http://xmpp.org/xsf/'>http://xmpp.org/xsf/</link>>.</note>" >
<!ENTITY XSFIETF "<span class='ref'><link url='http://mail.jabber.org/mailman/listinfo/jsf-ietf/'>XSF-IETF list</link></span> <note>The XSF-IETF list is for discussion of matters of mutual interest to the XMPP Standards Foundation and the Internet Engineering Task Force. The primary focus of the list is technical, mainly regarding XSF use of IETF technologies (e.g., references to RFCs in XMPP Extension Protocols) and IETF use of XSF technologies (e.g., references to XMPP Extension Protocols in Internet-Drafts and RFCs). To subscribe to the list or view the list archives, visit <<link url='http://mail.jabber.org/mailman/listinfo/jsf-ietf/'>http://mail.jabber.org/mailman/listinfo/jsf-ietf/</link>>.</note>" >
<!ENTITY XSFIPR "<span class='ref'><link url='http://xmpp.org/extensions/ipr-policy.shtml'>XSF IPR Policy</link></span> <note>The XSF IPR Policy defines the XMPP Standards Foundation's official policy regarding intellectual property rights (IPR) as they pertain to XMPP Extension Protocols (XEPs). For further information, see <<link url='http://xmpp.org/extensions/ipr-policy.shtml'>http://xmpp.org/extensions/ipr-policy.shtml</link>>.</note>" >
<!ENTITY REGISTRAR "<span class='ref'><link url='http://xmpp.org/registrar/'>XMPP Registrar</link></span> <note>The XMPP Registrar maintains a list of reserved protocol namespaces as well as registries of parameters used in the context of XMPP extension protocols approved by the XMPP Standards Foundation. For further information, see <<link url='http://xmpp.org/registrar/'>http://xmpp.org/registrar/</link>>.</note>" >
<!ENTITY SSIG "<span class='ref'><link url='http://mail.jabber.org/mailman/listinfo/standards/'>Standards SIG</link></span> <note>The Standards SIG is a standing Special Interest Group devoted to development of XMPP Extension Protocols. The discussion list of the Standards SIG is the primary venue for discussion of XMPP protocol extensions, as well as for announcements by the XMPP Extensions Editor and XMPP Registrar. To subscribe to the list or view the list archives, visit <<link url='http://mail.jabber.org/mailman/listinfo/standards/'>http://mail.jabber.org/mailman/listinfo/standards/</link>>.</note>" >
<!ENTITY jabberd "<span class='ref'><link url='http://jabberd.org/'>jabberd</link></span> <note>The jabberd server is the original server implementation of the Jabber/XMPP protocols, first developed by Jeremie Miller, inventor of Jabber. For further information, see <<link url='http://jabberd.org/'>http://jabberd.org/</link>>.</note>" >
<!ENTITY GPL "<span class='ref'><link url='http://www.gnu.org/licenses/gpl.txt'>The General Public License</link></span> <note>The General Public License is the primary code license for free software as defined by the Free Software Foundation. For further information, see <<link url='http://www.gnu.org/licenses/gpl.txt'>http://www.gnu.org/licenses/gpl.txt</link>>.</note>" >
<!ENTITY LGPL "<span class='ref'><link url='http://www.gnu.org/licenses/lgpl.txt'>The Lesser General Public License</link></span> <note>The Lesser General Public License is a secondary code license for free software as defined by the Free Software Foundation. For further information, see <<link url='http://www.gnu.org/licenses/lgpl.txt'>http://www.gnu.org/licenses/lgpl.txt</link>>.</note>" >
<!ENTITY OSI "<span class='ref'><link url='http://www.opensource.org/'>The Open Source Initiative</link></span> <note>The Open Source Initiative defines the term 'open source' and maintains a list of open-source code licenses. For further information, see <<link url='http://www.opensource.org/'>http://www.opensource.org/</link>>.</note>" >
<!ENTITY CACERT "<span class='ref'><link url='http://www.cacert.org/'>CAcert</link></span> <note>CAcert is a community-driven certificate authority which issues validated certificates based on participation in a web of trust rather than payment of a fee. For further information, see <<link url='http://www.cacert.org/'>http://www.cacert.org/</link>>.</note>" >
<!ENTITY DUBLINCORE "<span class='ref'><link url='http://www.dublincore.org/'>Dublin Core Metadata Initiative (DCMI)</link></span> <note>The Dublin Core Metadata Initiative (DCMI) is an organization dedicated to promoting the widespread adoption of interoperable metadata standards. For further information, see <<link url='http://www.dublincore.org/'>http://www.dublincore.org/</link>>.</note>" >
<!ENTITY FPL "<span class='ref'><link url='http://www.fixprotocol.org/'>FIX Protocol, Ltd.</link></span> <note>FIX Protocol, Ltd. is a securities industry consortium that has developed the Financial Information eXchange Protocol (FIX). For further information, see <<link url='http://www.fixprotocol.org/'>http://www.fixprotocol.org/</link>>.</note>" >
<!ENTITY IANA "the <span class='ref'><link url='http://www.iana.org/'>Internet Assigned Numbers Authority (IANA)</link></span> <note>The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assignment of unique parameter values for Internet protocols, such as port numbers and URI schemes. For further information, see <<link url='http://www.iana.org/'>http://www.iana.org/</link>>.</note>" >
<!ENTITY IETF "<span class='ref'><link url='http://www.ietf.org/'>Internet Engineering Task Force (IETF)</link></span> <note>The Internet Engineering Task Force is the principal body engaged in the development of new Internet standard specifications, best known for its work on standards such as HTTP and SMTP. For further information, see <<link url='http://www.ietf.org/'>http://www.ietf.org/</link>>.</note>" >
<!ENTITY ISO "<span class='ref'><link url='http://www.iso.org/'>International Organization for Standardization (ISO)</link></span> <note>The International Organization for Standardization develops standards a wide variety of technical domains. For further information, see <<link url='http://www.iso.org/'>http://www.iso.org/</link>>.</note>" >
<!ENTITY ITU "<span class='ref'><link url='http://www.itu.int/'>International Telecommunication Union (ITU)</link></span> <note>The International Telecommunication Union develops technical and operating standards (such as H.323) for international telecommunication services. For further information, see <<link url='http://www.itu.int/'>http://www.itu.int/</link>>.</note>" >
<!ENTITY OASIS "<span class='ref'><link url='http://www.oasis-open.org/'>OASIS</link></span> <note>OASIS is a not-for-profit, international consortium that drives the development, convergence and adoption of e-business standards. For further information, see <<link url='http://www.oasis-open.org/'>http://www.oasis-open.org/</link>>.</note>" >
<!ENTITY OMA "<span class='ref'><link url='http://www.openmobilealliance.org/'>Open Mobile Alliance (OMA)</link></span> <note>The Open Mobile Alliance is the focal point for the development of mobile service enabler specifications, which support the creation of interoperable end-to-end mobile services. For further information, see <<link url='http://www.openmobilealliance.org/'>http://www.openmobilealliance.org/</link>>.</note>" >
<!ENTITY SFSCA "<span class='ref'><link url='http://cert.startcom.org/'>StartCom Free SSL Certification Authority</link></span> <note> The StartCom Free SSL Certification Authority is a certification authority that offers free or low-cost X.509 certificates to Internet user and server administrators. It is is also the root CA for the XMPP Intermediate Certification Authority run by the XMPP Standards Foundation. For further information, see <<link url='http://cert.startcom.org/'>http://cert.startcom.org/</link>>.</note>" >
<!ENTITY XMPPWG "<span class='ref'><link url='http://www.ietf.org/html.charters/xmpp-charter.html'>XMPP Working Group</link></span> <note>The XMPP Working Group was created by the Internet Engineering Task Force to define an adaptation of the base Jabber protocols that could be considered an IETF-approved instant messaging and presence technology. For further information, see <<link url='http://www.ietf.org/html.charters/xmpp-charter.html'>http://www.ietf.org/html.charters/xmpp-charter.html</link>>.</note>" >
<!ENTITY W3C "<span class='ref'><link url='http://www.w3.org/'>World Wide Web Consortium (W3C)</link></span> <note>The World Wide Web Consortium defines data formats and markup languages (such as HTML and XML) for use over the Internet. For further information, see <<link url='http://www.w3.org/'>http://www.w3.org/</link>>.</note>" >
<!ENTITY w3soap0 "<span class='ref'><link url='http://www.w3.org/TR/soap12-part0'>SOAP Version 1.2 Part 0</link></span> <note>SOAP Version 1.2 Part 0: Primer <<link url='http://www.w3.org/TR/soap12-part0'>http://www.w3.org/TR/soap12-part0</link>>.</note>" >
<!ENTITY w3soap1 "<span class='ref'><link url='http://www.w3.org/TR/soap12-part1'>SOAP Version 1.2 Part 1</link></span> <note>SOAP Version 1.2 Part 1: Messaging <<link url='http://www.w3.org/TR/soap12-part1'>http://www.w3.org/TR/soap12-part1</link>>.</note>" >
<!ENTITY w3soap2 "<span class='ref'><link url='http://www.w3.org/TR/soap12-part2'>SOAP Version 1.2 Part 2</link></span> <note>SOAP Version 1.2 Part 2: Adjuncts <<link url='http://www.w3.org/TR/soap12-part2'>http://www.w3.org/TR/soap12-part2</link>>.</note>" >
<!ENTITY w3xmlnamespaces "<span class='ref'><link url='http://www.w3.org/TR/REC-xml-names/'>Namespaces in XML</link></span> <note>Namespaces in XML <<link url='http://www.w3.org/TR/REC-xml-names/'>http://www.w3.org/TR/REC-xml-names/</link>>.</note>" >
<!ENTITY w3xmlschema1 "<span class='ref'><link url='http://www.w3.org/TR/xmlschema-1/'>XML Schema Part 1</link></span> <note>XML Schema Part 1: Structures <<link url='http://www.w3.org/TR/xmlschema-1/'>http://www.w3.org/TR/xmlschema-1/</link>>.</note>" >
<!ENTITY w3xmlschema2 "<span class='ref'><link url='http://www.w3.org/TR/xmlschema-2/'>XML Schema Part 2</link></span> <note>XML Schema Part 2: Datatypes <<link url='http://www.w3.org/TR/xmlschema-2/'>http://www.w3.org/TR/xmlschema-2/</link>>.</note>" >
<!ENTITY blowfish "<span class='ref'><link url='http://www.schneier.com/paper-blowfish-fse.html'>Blowfish</link></span> <note>Description of a New Variable-Length Key, 64-Bit Block Cipher (Blowfish) <<link url='http://www.schneier.com/paper-blowfish-fse.html'>http://www.schneier.com/paper-blowfish-fse.html</link>>.</note>" >
<!ENTITY idea "<span class='ref'><link url='http://perso.ens-lyon.fr/jean-luc.beuchat/IDEA/'>IDEA</link></span> <note>The IDEA Block Cipher <<link url='http://perso.ens-lyon.fr/jean-luc.beuchat/IDEA/'>http://perso.ens-lyon.fr/jean-luc.beuchat/IDEA/</link>>.</note>" >
<!ENTITY nistfips46-3 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf'>Data Encryption Standard</link></span> <note>Data Encryption Standard: Federal Information Processing Standards Publication 46-3 <<link url='http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf'>http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf</link>>.</note>" >
<!ENTITY nistfips180-2 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf'>SHA</link></span> <note>Secure Hash Standard: Federal Information Processing Standards Publication 180-2 <<link url='http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf'>http://csrc.nist.gov/publications/fips/fips180-2/fips186-2withchangenotice.pdf</link>>.</note>" >
<!ENTITY nistfips186-2 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf'>DSS</link></span> <note>Digital Signature Standard: Federal Information Processing Standards Publication 186 <<link url='http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf'>http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf</link>>.</note>" >
<!ENTITY nistfips197 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf'>AES</link></span> <note>Advanced Encryption Standard: Federal Information Processing Standards Publication 197 <<link url='http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf'>http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf</link>>.</note>" >
<!ENTITY nistfips198a "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf'>HMAC</link></span> <note>The Keyed-Hash Message Authentication Code (HMAC): Federal Information Processing Standards Publication 198 <<link url='http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf'>http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf</link>>.</note>" >
<!ENTITY nistfips800-38a "<span class='ref'><link url='http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf'>Recommendation for Block Cipher Modes of Operation</link></span> <note>Recommendation for Block Cipher Modes of Operation: Federal Information Processing Standards Publication 800-38a <<link url='http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf'>http://csrc.nist.gov/publications/ nistpubs/800-38a/sp800-38a.pdf</link>>.</note>" >
<!ENTITY sigma "<span class='ref'><link url='http://web.archive.org/web/20040409013835/http://www.ee.technion.ac.il/~hugo/sigma.ps'>SIGMA</link></span> <note>SIGMA: the 'SIGn-and-MAc' Approach to Authenticated Diffie-Hellman and its Use in the IKE Protocols (Hugo Krawczyk, June 12 2003) <<link url='http://web.archive.org/web/20040409013835/http://www.ee.technion.ac.il/~hugo/sigma.ps'>http://www.ee.technion.ac.il/~hugo/sigma.ps</link>>.</note>" >
<!ENTITY ASN.1 "<span class='ref'><link url='http://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf'>ASN.1</link></span> <note>X.680: Abstract Syntax Notation One (ASN.1): Specification of basic notation <<link url='http:://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf'>http:://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf</link>>.</note>" >
<!ENTITY BER "<span class='ref'><link url='http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf'>BER</link></span> <note>X.690: ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) <<link url='http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf'>http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf</link>>.</note>" >
<!ENTITY E.164 "<span class='ref'><link url='http://en.wikipedia.org/wiki/E.164'>ITU E.164</link></span> <note>ITU Recommendation E.164/I.331: The International Public Telecommunication Numbering Plan (1997). This specification is not freely available; a short summary is located at <<link url='http://en.wikipedia.org/wiki/E.164'>http://en.wikipedia.org/wiki/E.164</link>>.</note>" >
<!ENTITY X.500 "<span class='ref'><link url='http://www.itu.int/rec/T-REC-X.500-200102-I/en'>X.500</link></span> <note>X.500: The Directory: Overview of concepts, models and service <<link url='http://www.itu.int/rec/T-REC-X.500-200102-I/en'>http://www.itu.int/rec/T-REC-X.500-200102-I/en</link>>.</note>" >
<!ENTITY X.841 "<span class='ref'><link url='http://www.itu.int/rec/T-REC-X.841-200010-I/en'>X.841</link></span> <note>X.841: Security techniques - Security information objects for access control <<link url='http://www.itu.int/rec/T-REC-X.841-200010-I/en'>http://www.itu.int/rec/T-REC-X.841-200010-I/en</link>>.</note>" >
<!ENTITY ascii "<span class='ref'>US-ASCII</span> <note>Coded Character Set - 7-bit American Standard Code for Information Interchange (American National Standards Institute X3.4, 1986).</note>" >
<!ENTITY fix "<span class='ref'><link url='http://www.fixprotocol.org/'>Financial Information eXchange Protocol (FIX)</link></span> <note>The Financial Information eXchange Protocol (FIX) is a messaging standard developed specifically for the real-time electronic exchange of securities transactions. For further information, see <<link url='http://www.fixprotocol.org/'>http://www.fixprotocol.org/</link>>.</note>" >
<!ENTITY fixml "<span class='ref'><link url='http://www.fixprotocol.org/cgi-bin/Spec.cgi?menu=4'>FIXML</link></span> <note>FIXML is an XML representation of the data format used in Financial Information eXchange Protocol (FIX), which abstracts the FIX data format from the underlying FIX transport mechanism. For further information, see <<link url='http://www.fixprotocol.org/cgi-bin/Spec.cgi?menu=4'>http://www.fixprotocol.org/cgi-bin/Spec.cgi?menu=4</link>>.</note>" >
<!ENTITY foaf "<span class='ref'><link url='http://xmlns.com/foaf/0.1/'>Friend of a Friend (FOAF)</link></span> <note>Friend of a Friend (FOAF) <<link url='http://xmlns.com/foaf/0.1/'>http://xmlns.com/foaf/0.1/</link>>.</note>" >
<!ENTITY icestandard "<span class='ref'><link url='http://www.icestandard.org/'>Information and Content Exchange</link></span> <note>Information and Content Exchange <<link url='http://www.icestandard.org/'>http://www.icestandard.org/</link>>.</note>" >
<!ENTITY IC-ISM "<span class='ref'>IC-ISM</span> <note>Common Information Sharing Standard for Information Security Marking: XML Implementation, Office of the Director of National Intelligence, Release 2.0.3, 15 February 2006.</note>" >
<!ENTITY iso8601 "<span class='ref'><link url='http://www.cl.cam.ac.uk/~mgk25/iso-time.html'>ISO 8601</link></span> <note>ISO 8601: Representation of Dates and Times (2000). This specification is not freely available; however, a good summary is located at <<link url='http://www.cl.cam.ac.uk/~mgk25/iso-time.html'>http://www.cl.cam.ac.uk/~mgk25/iso-time.html</link>>.</note>" >
<!ENTITY petnames "<span class='ref'><link url='http://www.skyhunter.com/marcs/petnames/IntroPetNames.html'>Introduction to Petname Systems</link></span> <note>Introduction to Petname Systems <<link url='http://www.skyhunter.com/marcs/petnames/IntroPetNames.html'>http://www.skyhunter.com/marcs/petnames/IntroPetNames.html</link>>.</note>" >
<!ENTITY rtf "<span class='ref'><link url='http://msdn.microsoft.com/library/en-us/dnrtfspec/html/rtfspec.asp'>Rich Text Format (RTF)</link></span> <note>Rich Text Format (RTF) Version 1.5 Specification <<link url='http://msdn.microsoft.com/library/en-us/dnrtfspec/html/rtfspec.asp'>http://msdn.microsoft.com/library/en-us/dnrtfspec/html/rtfspec.asp</link>>.</note>" >
<!ENTITY SDN.801c "<span class='ref'>SDN.801c</span> <note>SDN.801c: Access Control Concept and Mechanism, US National Security Agency, Revision C, 12 May 1999.</note>" >
<!ENTITY rfc0822 "<span class='ref'><link url='http://tools.ietf.org/html/rfc0822'>RFC 822</link></span> <note>RFC 822: Standard for the Format of ARPA Internet Text Messages <<link url='http://tools.ietf.org/html/rfc0822'>http://tools.ietf.org/html/rfc0822</link>>.</note>" >
<!ENTITY rfc1123 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1123'>RFC 1123</link></span> <note>RFC 1123: Requirements for Internet Hosts -- Application and Support <<link url='http://tools.ietf.org/html/rfc1123'>http://tools.ietf.org/html/rfc1123</link>>.</note>" >
<!ENTITY rfc1464 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1464'>RFC 1464</link></span> <note>RFC 1464: Using the Domain Name System To Store Arbitrary String Attributes <<link url='http://tools.ietf.org/html/rfc1464'>http://tools.ietf.org/html/rfc1464</link>>.</note>" >
<!ENTITY rfc1886 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1886'>RFC 1886</link></span> <note>RFC 1886: DNS Extensions to support IP version 6 <<link url='http://tools.ietf.org/html/rfc1886'>http://tools.ietf.org/html/rfc1886</link>>.</note>" >
<!ENTITY rfc1889 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1889'>RFC 1889</link></span> <note>RFC 1889: RTP: A Transport Protocol for Real-Time Applications <<link url='http://tools.ietf.org/html/rfc1889'>http://tools.ietf.org/html/rfc1889</link>>.</note>" >
<!ENTITY rfc1893 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1893'>RFC 1893</link></span> <note>RFC 1893: Enhanced Mail System Status Codes <<link url='http://tools.ietf.org/html/rfc1893'>http://tools.ietf.org/html/rfc1893</link>>.</note>" >
<!ENTITY rfc1950 "<span class='ref'><link url='http://tools.ietf.org/html/rfc1950'>RFC 1950</link></span> <note>RFC 1950: ZLIB Compressed Data Format Specification version 3.3 <<link url='http://tools.ietf.org/html/rfc1950'>http://tools.ietf.org/html/rfc1950</link>>.</note>" >
<!ENTITY rfc2026 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2026'>RFC 2026</link></span> <note>RFC 2026: The Internet Standards Process <<link url='http://tools.ietf.org/html/rfc2026'>http://tools.ietf.org/html/rfc2026</link>>.</note>" >
<!ENTITY rfc2045 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2045'>RFC 2045</link></span> <note>RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies <<link url='http://tools.ietf.org/html/rfc2045'>http://tools.ietf.org/html/rfc2045</link>>.</note>" >
<!ENTITY rfc2119 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2119'>RFC 2119</link></span> <note>RFC 2119: Key words for use in RFCs to Indicate Requirement Levels <<link url='http://tools.ietf.org/html/rfc2119'>http://tools.ietf.org/html/rfc2119</link>>.</note>" >
<!ENTITY rfc2142 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2142'>RFC 2142</link></span> <note>RFC 2142: Mailbox Names for Common Services, Roles and Functions <<link url='http://tools.ietf.org/html/rfc2142'>http://tools.ietf.org/html/rfc2142</link>>.</note>" >
<!ENTITY rfc2183 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2183'>RFC 2183</link></span> <note>RFC 2183: Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field <<link url='http://tools.ietf.org/html/rfc2183'>http://tools.ietf.org/html/rfc2183</link>>.</note>" >
<!ENTITY rfc2256 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2256'>RFC 2256</link></span> <note>RFC 2256: A Summary of the X.500(96) User Schema for use with LDAPv3 <<link url='http://tools.ietf.org/html/rfc2256'>http://tools.ietf.org/html/rfc2256</link>>.</note>" >
<!ENTITY rfc2277 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2277'>RFC 2277</link></span> <note>RFC 2277: IETF Policy on Character Sets and Languages <<link url='http://tools.ietf.org/html/rfc2277'>http://tools.ietf.org/html/rfc2277</link>>.</note>" >
<!ENTITY rfc2246 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2246'>RFC 2246</link></span> <note>RFC 2246: The TLS Protocol Version 1.0 <<link url='http://tools.ietf.org/html/rfc2246'>http://tools.ietf.org/html/rfc2246</link>>.</note>" >
<!ENTITY rfc2648 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2648'>RFC 2648</link></span> <note>RFC 2648: A URN Namespace for IETF Documents <<link url='http://tools.ietf.org/html/rfc2648'>http://tools.ietf.org/html/rfc2648</link>>.</note>" >
<!ENTITY rfc2778 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2778'>RFC 2778</link></span> <note>RFC 2778: A Model for Presence and Instant Messaging <<link url='http://tools.ietf.org/html/rfc2778'>http://tools.ietf.org/html/rfc2778</link>>.</note>" >
<!ENTITY rfc2779 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2779'>RFC 2779</link></span> <note>RFC 2779: A Model for Presence and Instant Messaging <<link url='http://tools.ietf.org/html/rfc2779'>http://tools.ietf.org/html/rfc2779</link>>.</note>" >
<!ENTITY rfc2782 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2782'>RFC 2782</link></span> <note>RFC 2782: A DNS RR for specifying the location of services (DNS SRV) <<link url='http://tools.ietf.org/html/rfc2782'>http://tools.ietf.org/html/rfc2782</link>>.</note>" >
<!ENTITY rfc2798 "<span class='ref'><link url='http://tools.ietf.org/html/rfc2798'>RFC 2798</link></span> <note>RFC 2798: Definition of the inetOrgPerson LDAP Object Class <<link url='http://tools.ietf.org/html/rfc2798'>http://tools.ietf.org/html/rfc2798</link>>.</note>" >
<!ENTITY rfc3023 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3023'>RFC 3023</link></span> <note>RFC 3023: XML Media Types <<link url='http://tools.ietf.org/html/rfc3023'>http://tools.ietf.org/html/rfc3023</link>>.</note>" >
<!ENTITY rfc3066 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3066'>RFC 3066</link></span> <note>RFC 3066: Tags for the Identification of Languages <<link url='http://tools.ietf.org/html/rfc3066'>http://tools.ietf.org/html/rfc3066</link>>.</note>" >
<!ENTITY rfc3264 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3264'>RFC 3264</link></span> <note>RFC 3264: An Offer/Answer Model with the Session Description Protocol (SDP) <<link url='http://tools.ietf.org/html/rfc3264'>http://tools.ietf.org/html/rfc3264</link>>.</note>" >
<!ENTITY rfc3269 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3269'>RFC 3269</link></span> <note>RFC 3269: UTF-8, a transformation format of ISO 10646 <<link url='http://tools.ietf.org/html/rfc3269'>http://tools.ietf.org/html/rfc3269</link>>.</note>" >
<!ENTITY rfc3403 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3403'>RFC 3403</link></span> <note>RFC 3403: Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database <<link url='http://tools.ietf.org/html/rfc3403'>http://tools.ietf.org/html/rfc3403</link>>.</note>" >
<!ENTITY rfc3514 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3514'>RFC 3514</link></span> <note>RFC 3514: The Security Flag in the IPv4 Header <<link url='http://tools.ietf.org/html/rfc3514'>http://tools.ietf.org/html/rfc3514</link>>.</note>" >
<!ENTITY rfc3526 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3526'>RFC 3526</link></span> <note>RFC 3526: More Modular Exponential (MODP) Diffie-Hellman Groups <<link url='http://tools.ietf.org/html/rfc3526'>http://tools.ietf.org/html/rfc3526</link>>.</note>" >
<!ENTITY rfc3548 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3548'>RFC 3548</link></span> <note>RFC 3548: The Base16, Base32, and Base64 Data Encodings <<link url='http://tools.ietf.org/html/rfc3548'>http://tools.ietf.org/html/rfc3548</link>>.</note>" >
<!ENTITY rfc3550 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3550'>RFC 3550</link></span> <note>RFC 3550: RTP: A Transport Protocol for Real-Time Applications <<link url='http://tools.ietf.org/html/rfc3550'>http://tools.ietf.org/html/rfc3550</link>>.</note>" >
<!ENTITY rfc3551 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3551'>RFC 3551</link></span> <note>RFC 3551: RTP Profile for Audio and Video Conferences with Minimal Control <<link url='http://tools.ietf.org/html/rfc3551'>http://tools.ietf.org/html/rfc3551</link>>.</note>" >
<!ENTITY rfc3552 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3552'>RFC 3552</link></span> <note>RFC 3552: Guidelines for Writing RFC Text on Security Considerations <<link url='http://tools.ietf.org/html/rfc3552'>http://tools.ietf.org/html/rfc3552</link>>.</note>" >
<!ENTITY rfc3555 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3555'>RFC 3555</link></span> <note>RFC 3555: MIME Type Registration of RTP Payload Formats <<link url='http://tools.ietf.org/html/rfc3555'>http://tools.ietf.org/html/rfc3555</link>>.</note>" >
<!ENTITY rfc3605 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3605'>RFC 3605</link></span> <note>RFC 3605: Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP) <<link url='http://tools.ietf.org/html/rfc3605'>http://tools.ietf.org/html/rfc3605</link>>.</note>" >
<!ENTITY rfc3711 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3711'>RFC 3711</link></span> <note>RFC 3711: The Secure Real-time Transport Protocol (SRTP) <<link url='http://tools.ietf.org/html/rfc3711'>http://tools.ietf.org/html/rfc3711</link>>.</note>" >
<!ENTITY rfc3958 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3958'>RFC 3958</link></span> <note>RFC 3958: Domain-Based Application Service Location Using SRV RRs and the Dynamic Delegation Discovery Service (DDDS) <<link url='http://tools.ietf.org/html/rfc3958'>http://tools.ietf.org/html/rfc3958</link>>.</note>" >
<!ENTITY rfc3959 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3959'>RFC 3959</link></span> <note>RFC 3959: The Early Session Disposition Type for the Session Initiation Protocol (SIP) <<link url='http://tools.ietf.org/html/rfc3959'>http://tools.ietf.org/html/rfc3959</link>>.</note>" >
<!ENTITY rfc3960 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3960'>RFC 3960</link></span> <note>RFC 3960: Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP) <<link url='http://tools.ietf.org/html/rfc3960'>http://tools.ietf.org/html/rfc3960</link>>.</note>" >
<!ENTITY rfc3966 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3966'>RFC 3966</link></span> <note>RFC 3966: The tel URI for Telephone Numbers <<link url='http://tools.ietf.org/html/rfc3966'>http://tools.ietf.org/html/rfc3966</link>>.</note>" >
<!ENTITY rfc4287 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4287'>RFC 4287</link></span> <note>RFC 4287: The Atom Syndication Format <<link url='http://tools.ietf.org/html/rfc4287'>http://tools.ietf.org/html/rfc4287</link>>.</note>" >
<!ENTITY rfc4301 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4301'>RFC 4301</link></span> <note>RFC 4301: Security Architecture for the Internet Protocol <<link url='http://tools.ietf.org/html/rfc4301'>http://tools.ietf.org/html/rfc4301</link>>.</note>" >
<!ENTITY rfc4395 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4395'>RFC 4395</link></span> <note>RFC 4395: Guidelines and Registration Procedures for New URI Schemes <<link url='http://tools.ietf.org/html/rfc4395'>http://tools.ietf.org/html/rfc4395</link>>.</note>" >
<!ENTITY rfc4480 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4480'>RFC 4480</link></span> <note>RFC 4480: RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF) <<link url='http://tools.ietf.org/html/rfc4480'>http://tools.ietf.org/html/rfc4480</link>>.</note>" >
<!ENTITY rfc4481 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4481'>RFC 4481</link></span> <note>RFC 4481: Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals <<link url='http://tools.ietf.org/html/rfc4481'>http://tools.ietf.org/html/rfc4481</link>>.</note>" >
<!ENTITY rfc4571 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4571'>RFC 4571</link></span> <note>RFC 4571: Framing Real-time Transport Protocol (RTP) and RTP Control Protocol (RTCP) Packets over Connection-Oriented Transport <<link url='http://tools.ietf.org/html/rfc4571'>http://tools.ietf.org/html/rfc4571</link>>.</note>" >
<!ENTITY rfc4627 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4627'>RFC 4627</link></span> <note>RFC 4627: The application/json Media Type for JavaScript Object Notation (JSON) <<link url='http://tools.ietf.org/html/rfc4627'>http://tools.ietf.org/html/rfc4627</link>>.</note>" >
<!ENTITY rfc4848 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4848'>RFC 4848</link></span> <note>RFC 4848: Domain-Based Application Service Location Using URIs and the Dynamic Delegation Discovery Service (DDDS) <<link url='http://tools.ietf.org/html/rfc4848'>http://tools.ietf.org/html/rfc4848</link>>.</note>" >
<!ENTITY rfc4854 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4854'>RFC 4854</link></span> <note>RFC 4854: A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP) <<link url='http://tools.ietf.org/html/rfc4854'>http://tools.ietf.org/html/rfc4854</link>>.</note>" >
<!ENTITY rfc5056 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5056'>RFC 5056</link></span> <note>RFC 5056: On the Use of Channel Bindings to Secure Channels <<link url='http://tools.ietf.org/html/rfc5056'>http://tools.ietf.org/html/rfc5056</link>>.</note>" >
<!ENTITY atomsub "<span class='ref'><link url='http://xmpp.org/internet-drafts/draft-saintandre-atompub-notify-07.html'>AtomSub</link></span> <note>Atomsub: Transporting Atom Notifications over the Publish-Subscribe Extension to the Extensible Messaging and Presence Protocol (XMPP) <<link url='http://xmpp.org/internet-drafts/draft-saintandre-atompub-notify-07.html'>http://xmpp.org/internet-drafts/draft-saintandre-atompub-notify-07.html</link>>. Work in progress.</note>" >
<!ENTITY dnssd "<span class='ref'><link url='http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd'>DNS-Based Service Discovery</link></span> <note>DNS-Based Service Discovery <<link url='http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd'>http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd</link>>. Work in progress.</note>" >
<!ENTITY dtlssrtp "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-avt-dtls-srtp'>DTLS-SRTP</link></span> <note>Datagram Transport Layer Security (DTLS) Extension to Establish Keys for Secure Real-time Transport Protocol (SRTP) <<link url='http://tools.ietf.org/html/draft-ietf-avt-dtls-srtp'>http://tools.ietf.org/html/draft-ietf-avt-dtls-srtp</link>>. Work in progress.</note>" >
<!ENTITY kittenspn "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-kitten-gssapi-domain-based-names'>draft-ietf-kitten-gssapi-domain-based-names</link></span> <note>GSS-API Internationalization and Domain-Based Service Names and Name Type <<link url='http://tools.ietf.org/html/draft-ietf-kitten-gssapi-domain-based-names'>http://tools.ietf.org/html/draft-ietf-kitten-gssapi-domain-based-names</link>>. Work in progress.</note>" >
<!ENTITY kittenspnkrb5 "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-kitten-krb5-gssapi-domain-based-names'>draft-ietf-kitten-krb5-gssapi-domain-based-names</link></span> <note>GSS-API Domain-Based Service Names Mapping for the Kerberos V GSS Mechanism <<link url='http://tools.ietf.org/html/draft-ietf-kitten-krb5-gssapi-domain-based-names'>http://tools.ietf.org/html/draft-ietf-kitten-krb5-gssapi-domain-based-names</link>>. Work in progress.</note>" >
<!ENTITY mdns "<span class='ref'><link url='http://tools.ietf.org/html/draft-cheshire-dnsext-multicastdns'>Multicast DNS</link></span> <note>Multicast DNS <<link url='http://tools.ietf.org/html/draft-cheshire-dnsext-multicastdns'>http://tools.ietf.org/html/draft-cheshire-dnsext-multicastdns</link>>. Work in progress.</note>" >
<!ENTITY pidf "<span class='ref'><link url='http://tools.ietf.org/html/rfc3863'>Presence Information Data Format (PIDF) </link></span> <note>RFC 3863: Presence Information Data Format (PIDF) <<link url='http://tools.ietf.org/html/rfc3863'>http://tools.ietf.org/html/rfc3863</link>>.</note>" >
<!ENTITY rtpkeepalive "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-avt-app-rtp-keepalive'>Application Mechanism for maintaining alive the Network Address Translator (NAT) mappings associated to RTP flows</link></span> <note>Application Mechanism for maintaining alive the Network Address Translator (NAT) mappings associated to RTP flows <<link url='http://tools.ietf.org/html/draft-ietf-avt-app-rtp-keepalive'>http://tools.ietf.org/html/draft-ietf-avt-app-rtp-keepalive</link>>. Work in progress.</note>" >
<!ENTITY rtptheora "<span class='ref'><link url='http://tools.ietf.org/html/draft-barbato-avt-rtp-theora'>RTP Payload Format for Theora Encoded Video</link></span> <note>RTP Payload Format for Theora Encoded Video <<link url='http://tools.ietf.org/html/draft-barbato-avt-rtp-theora'>http://tools.ietf.org/html/draft-barbato-avt-rtp-theora</link>>. Work in progress.</note>" >
<!ENTITY sasltls "<span class='ref'><link url='http://tools.ietf.org/html/draft-cridland-sasl-tls-sessions'>draft-cridland-sasl-tls-sessions</link></span> <note>On the use of TLS Session resumption and SASL EXTERNAL <<link url='http://tools.ietf.org/html/draft-cridland-sasl-tls-sessions'>http://tools.ietf.org/html/draft-cridland-sasl-tls-sessions</link>>. Work in progress.</note>" >
<!ENTITY sdpdtls "<span class='ref'><link url='http://tools.ietf.org/html/draft-fischl-mmusic-sdp-dtls'>RTP Over DTLS</link></span> <note>Real-Time Transport Protocol (RTP) over Datagram Transport Layer Security (DTLS) <<link url='http://tools.ietf.org/html/draft-fischl-mmusic-sdp-dtls'>http://tools.ietf.org/html/draft-fischl-mmusic-sdp-dtls</link>>. Work in progress.</note>" >
<!ENTITY sipbonjour "<span class='ref'><link url='http://tools.ietf.org/html/draft-lee-sip-dns-sd-uri'>SIP URI Service Discovery using DNS-SD</link></span> <note>SIP URI Service Discovery using DNS-SD <<link url='http://tools.ietf.org/html/draft-lee-sip-dns-sd-uri'>http://tools.ietf.org/html/draft-lee-sip-dns-sd-uri</link>>. Work in progress.</note>" >
<!ENTITY sdpng "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-mmusic-sdpng'>Session Description and Capability Negotiation (SDPng)</link></span> <note>Session Description and Capability Negotiation (SDPng) <<link url='http://tools.ietf.org/html/draft-ietf-mmusic-sdpng'>http://tools.ietf.org/html/draft-ietf-mmusic-sdpng</link>>. Work in progress.</note>" >
<!ENTITY sshx509 "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-secsh-x509'>X.509 Authentication in SSH2</link></span> <note>X.509 Authentication in SSH2 <<link url='http://tools.ietf.org/html/draft-ietf-secsh-x509'>http://tools.ietf.org/html/draft-ietf-secsh-x509</link>>. Work in progress.</note>" >
<!ENTITY turn "<span class='ref'><link url='http://tools.ietf.org/html/draft-ietf-behave-turn'>TURN</link></span> <note>Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN) <<link url='http://tools.ietf.org/html/draft-ietf-behave-turn'>http://tools.ietf.org/html/draft-ietf-behave-turn</link>>. Work in progress.</note>" >
<!ENTITY zrtp "<span class='ref'><link url='http://tools.ietf.org/html/draft-zimmermann-avt-zrtp'>ZRTP</link></span> <note>ZRTP: Media Path Key Agreement for Secure RTP <<link url='http://tools.ietf.org/html/draft-zimmermann-avt-zrtp'>http://tools.ietf.org/html/draft-zimmermann-avt-zrtp</link>>. Work in progress.</note>" >
<!ENTITY ianadispositions "<span class='ref'><link url='http://www.iana.org/assignments/mail-cont-disp'>IANA Mail Content Disposition Values and Parameters Registry</link></span> <note>IANA registry of Mail Content Disposition Values and Parameters <<link url='http://www.iana.org/assignments/mail-cont-disp'>http://www.iana.org/assignments/mail-cont-disp</link>>.</note>" >
<!ENTITY ianalinks "<span class='ref'><link url='http://www.iana.org/assignments/link-relations.html'>IANA MIME Atom Link Relations Registry</link></span> <note>IANA registry of Atom link relations <<link url='http://www.iana.org/assignments/link-relations.html'>http://www.iana.org/assignments/link-relations.html</link>>.</note>" >
<!ENTITY ianasasl "<span class='ref'><link url='http://www.iana.org/assignments/sasl-mechanisms'>IANA SASL Mechanisms Registry</link></span> <note>IANA registry of mechanisms used in the Simple Authentication and Security Layer protocol <<link url='http://www.iana.org/assignments/sasl-mechanisms'>http://www.iana.org/assignments/sasl-mechanisms</link>>.</note>" >
IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>IANA registry of parameters related to the Service Location Protocol templates <<link url='http://www.iana.org/assignments/svrloc-templates.htm'>http://www.iana.org/assignments/svrloc-templates.htm</link>>.</note>" >
<!ENTITY xmppsipchat "<span class='ref'><link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-chat'>draft-saintandre-sip-xmpp-chat</link></span> <note>Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): One-to-One Text Chat <<link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-chat'>http://tools.ietf.org/html/draft-saintandre-sip-xmpp-chat</link>> (work in progress).</note>" >
<!ENTITY xmppsipcore "<span class='ref'><link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-core'>draft-saintandre-sip-xmpp-core</link></span> <note>Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Core <<link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-core'>http://tools.ietf.org/html/draft-saintandre-sip-xmpp-core</link>> (work in progress).</note>" >
<!ENTITY xmppsipim "<span class='ref'><link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-im'>draft-saintandre-sip-xmpp-im</link></span> <note>Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Instant Messaging <<link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-im'>http://tools.ietf.org/html/draft-saintandre-sip-xmpp-im</link>> (work in progress).</note>" >
<!ENTITY xmppsipmedia "<span class='ref'><link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-media'>draft-saintandre-sip-xmpp-media</link></span> <note>Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Media Sessions <<link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-media'>http://tools.ietf.org/html/draft-saintandre-sip-xmpp-media</link>> (work in progress).</note>" >
<!ENTITY xmppsippresence "<span class='ref'><link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-presence'>draft-saintandre-sip-xmpp-presence</link></span> <note>Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Presence <<link url='http://tools.ietf.org/html/draft-saintandre-sip-xmpp-presence'>http://tools.ietf.org/html/draft-saintandre-sip-xmpp-presence</link>> (work in progress).</note>" >
<!ENTITY xmppurn "<span class='ref'><link url='http://tools.ietf.org/html/rfc4854'>XMPP URNs</link></span> <note>A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP) <<link url='http://tools.ietf.org/html/rfc4854'>http://tools.ietf.org/html/rfc4854</link>>.</note>" >
<!ENTITY xtls "<span class='ref'><link url='http://tools.ietf.org/html/draft-meyer-xmpp-e2e-encryption'>Jingle XTLS</link></span> <note>Extensible Messaging and Presence Protocol (XMPP) End-to-End Encryption Using Transport Layer Security ("XTLS") <<link url='http://tools.ietf.org/html/draft-meyer-xmpp-e2e-encryption'>http://tools.ietf.org/html/draft-meyer-xmpp-e2e-encryption</link>>.</note>" >
<!ENTITY saslext "<span class='ref'><link url='http://tools.ietf.org/html/draft-meyer-xmpp-sasl-cert-management'>Client Certificate Management for SASL EXTERNAL</link></span> <note>Management and Use of Client Certificates for the Extensible Messaging and Presence Protocol (XMPP) <<link url='http://tools.ietf.org/html/draft-meyer-xmpp-sasl-cert-management'>http://tools.ietf.org/html/draft-meyer-xmpp-sasl-cert-management</link>>.</note>" >
<!ENTITY xep0044 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0044.html'>Full Namespace Support in XML Streams</link></span> <note>XEP-0044: Full Namespace Support in XML Streams <<link url='http://xmpp.org/extensions/xep-0044.html'>http://xmpp.org/extensions/xep-0044.html</link>>.</note>" >
<!ENTITY xep0056 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0056.html'>Business Data Interchange</link></span> <note>XEP-0056: Business Data Interchange <<link url='http://xmpp.org/extensions/xep-0056.html'>http://xmpp.org/extensions/xep-0056.html</link>>.</note>" >
<!ENTITY xep0058 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0058.html'>Multi-User Text Editing</link></span> <note>XEP-0058: Multi-User Text Editing <<link url='http://xmpp.org/extensions/xep-0058.html'>http://xmpp.org/extensions/xep-0058.html</link>>.</note>" >
<!ENTITY xep0059 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0059.html'>Result Set Management</link></span> <note>XEP-0059: Result Set Management <<link url='http://xmpp.org/extensions/xep-0059.html'>http://xmpp.org/extensions/xep-0059.html</link>>.</note>" >
<!ENTITY xep0066 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0066.html'>Out-of-Band Data</link></span> <note>XEP-0066: Out of Band Data <<link url='http://xmpp.org/extensions/xep-0066.html'>http://xmpp.org/extensions/xep-0066.html</link>>.</note>" >
<!ENTITY xep0067 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0067.html'>Stock Data Transmission</link></span> <note>XEP-0067: Stock Data Transmission <<link url='http://xmpp.org/extensions/xep-0067.html'>http://xmpp.org/extensions/xep-0067.html</link>>.</note>" >
<!ENTITY xep0068 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0068.html'>Field Standardization for Data Forms</link></span> <note>XEP-0068: Field Data Standardization for Data Forms <<link url='http://xmpp.org/extensions/xep-0068.html'>http://xmpp.org/extensions/xep-0068.html</link>>.</note>" >
<!ENTITY xep0082 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0082.html'>XMPP Date and Time Profiles</link></span> <note>XEP-0082: XMPP Date and Time Profiles <<link url='http://xmpp.org/extensions/xep-0082.html'>http://xmpp.org/extensions/xep-0082.html</link>>.</note>" >
<!ENTITY xep0111 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0111.html'>A Transport for Initiating and Negotiating Sessions</link></span> <note>XEP-0111: A Transport for Initiating and Negotiating Sessions <<link url='http://xmpp.org/extensions/xep-0111.html'>http://xmpp.org/extensions/xep-0111.html</link>>.</note>" >
<!ENTITY xep0122 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0122.html'>Data Forms Validation</link></span> <note>XEP-0122: Data Forms Validation <<link url='http://xmpp.org/extensions/xep-0122.html'>http://xmpp.org/extensions/xep-0122.html</link>>.</note>" >
<!ENTITY xep0131 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0131.html'>Stanza Headers and Internet Metadata</link></span> <note>XEP-0131: Stanza Headers and Internet Metadata <<link url='http://xmpp.org/extensions/xep-0131.html'>http://xmpp.org/extensions/xep-0131.html</link>>.</note>" >
<!ENTITY xep0132 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0132.html'>Presence Obtained via Kinesthetic Excitation (POKE)</link></span> <note>XEP-0132: Presence Obtained via Kinesthetic Excitation (POKE) <<link url='http://xmpp.org/extensions/xep-0132.html'>http://xmpp.org/extensions/xep-0132.html</link>>.</note>" >
<!ENTITY xep0141 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0141.html'>Data Forms Layout</link></span> <note>XEP-0141: Data Forms Layout <<link url='http://xmpp.org/extensions/xep-0141.html'>http://xmpp.org/extensions/xep-0141.html</link>>.</note>" >
<!ENTITY xep0149 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0149.html'>Time Periods</link></span> <note>XEP-0149: Time Periods <<link url='http://xmpp.org/extensions/xep-0149.html'>http://xmpp.org/extensions/xep-0149.html</link>>.</note>" >
<!ENTITY xep0150 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0150.html'>Use of Entity Tags in XMPP Extensions</link></span> <note>XEP-0150: Use of Entity Tags in XMPP Extensions <<link url='http://xmpp.org/extensions/xep-0150.html'>http://xmpp.org/extensions/xep-0150.html</link>>.</note>" >
<!ENTITY xep0162 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0162.html'>Best Practices for Roster and Subscription Management</link></span> <note>XEP-0162: Best Practices for Roster and Subscription Management <<link url='http://xmpp.org/extensions/xep-0162.html'>http://xmpp.org/extensions/xep-0162.html</link>>.</note>" >
<!ENTITY xep0169 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0169.html'>Twas The Night Before Christmas (Jabber Version)</link></span> <note>XEP-0169: Twas The Night Before Christmas (Jabber Version) <<link url='http://xmpp.org/extensions/xep-0169.html'>http://xmpp.org/extensions/xep-0169.html</link>>.</note>" >
<!ENTITY xep0170 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0170.html'>Recommended Order of Stream Feature Negotiation</link></span> <note>XEP-0170: Recommended Order of Stream Feature Negotiation <<link url='http://xmpp.org/extensions/xep-0170.html'>http://xmpp.org/extensions/xep-0170.html</link>>.</note>" >
<!ENTITY xep0175 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0175.html'>Best Practices for Use of SASL ANONYMOUS</link></span> <note>XEP-0175: Best Practices for Use of SASL ANONYMOUS <<link url='http://xmpp.org/extensions/xep-0175.html'>http://xmpp.org/extensions/xep-0175.html</link>>.</note>" >
<!ENTITY xep0176 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0176.html'>Jingle ICE-UDP Transport Method</link></span> <note>XEP-0176: Jingle ICE-UDP Transport Method <<link url='http://xmpp.org/extensions/xep-0176.html'>http://xmpp.org/extensions/xep-0176.html</link>>.</note>" >
<!ENTITY xep0177 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0177.html'>Jingle Raw UDP Transport Method </link></span> <note>XEP-0177: Jingle Raw UDP Transport Method <<link url='http://xmpp.org/extensions/xep-0177.html'>http://xmpp.org/extensions/xep-0177.html</link>>.</note>" >
<!ENTITY xep0178 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0178.html'>Best Practices for Use of SASL EXTERNAL</link></span> <note>XEP-0178: Best Practices for Use of SASL EXTERNAL <<link url='http://xmpp.org/extensions/xep-0178.html'>http://xmpp.org/extensions/xep-0178.html</link>>.</note>" >
<!ENTITY xep0179 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0179.html'>Jingle IAX Transport Method </link></span> <note>XEP-0179: Jingle IAX Transport Method <<link url='http://xmpp.org/extensions/xep-0179.html'>http://xmpp.org/extensions/xep-0179.html</link>>.</note>" >
<!ENTITY xep0180 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0180.html'>Jingle Video via RTP </link></span> <note>XEP-0180: Jingle Video via RTP <<link url='http://xmpp.org/extensions/xep-0180.html'>http://xmpp.org/extensions/xep-0180.html</link>>.</note>" >
<!ENTITY xep0190 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0190.html'>Best Practice for Closing Idle Streams</link></span> <note>XEP-0190: Best Practice for Closing Idle Streams <<link url='http://xmpp.org/extensions/xep-0190.html'>http://xmpp.org/extensions/xep-0190.html</link>>.</note>" >
<!ENTITY xep0204 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0204.html'>Collaborative Data Objects</link></span> <note>XEP-0204: Collaborative Data Objects <<link url='http://xmpp.org/extensions/xep-0204.html'>http://xmpp.org/extensions/xep-0204.html</link>>.</note>" >
<!ENTITY xep0205 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0205.html'>Best Practices to Discourage Denial of Service Attacks</link></span> <note>XEP-0205: Best Practices to Discourage Denial of Service Attacks <<link url='http://xmpp.org/extensions/xep-0205.html'>http://xmpp.org/extensions/xep-0205.html</link>>.</note>" >
<!ENTITY xep0206 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0206.html'>XMPP Over BOSH</link></span> <note>XEP-0206: XMPP Over BOSH <<link url='http://xmpp.org/extensions/xep-0206.html'>http://xmpp.org/extensions/xep-0206.html</link>>.</note>" >
<!ENTITY xep0207 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0207.html'>XMPP Eventing via Pubsub</link></span> <note>XEP-0207: Eventing via Pubsub <<link url='http://xmpp.org/extensions/xep-0207.html'>http://xmpp.org/extensions/xep-0207.html</link>>.</note>" >
<!ENTITY xep0208 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0208.html'>Bootstrapping Implementation of Jingle</link></span> <note>XEP-0208: Bootstrapping Implementation of Jingle <<link url='http://xmpp.org/extensions/xep-0208.html'>http://xmpp.org/extensions/xep-0208.html</link>>.</note>" >
<!ENTITY xep0212 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0212.html'>XMPP Basic Server 2008</link></span> <note>XEP-0212: XMPP Basic Server 2008 <<link url='http://xmpp.org/extensions/xep-0212.html'>http://xmpp.org/extensions/xep-0212.html</link>>.</note>" >
<!ENTITY xep0213 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0213.html'>XMPP Intermediate IM Client 2008</link></span> <note>XEP-0213: XMPP Intermediate IM Client 2008 <<link url='http://xmpp.org/extensions/xep-0213.html'>http://xmpp.org/extensions/xep-0213.html</link>>.</note>" >
<!ENTITY xep0214 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0214.html'>File Repository and Sharing</link></span> <note>XEP-0214: File Repository and Sharing <<link url='http://xmpp.org/extensions/xep-0214.html'>http://xmpp.org/extensions/xep-0214.html</link>>.</note>" >
<!ENTITY xep0215 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0215.html'>External Service Discovery</link></span> <note>XEP-0215: External Service Discovery <<link url='http://xmpp.org/extensions/xep-0215.html'>http://xmpp.org/extensions/xep-0215.html</link>>.</note>" >
<!ENTITY xep0216 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0216.html'>XMPP Intermediate IM Server 2008</link></span> <note>XEP-0216: XMPP Intermediate IM Server 2008 <<link url='http://xmpp.org/extensions/xep-0216.html'>http://xmpp.org/extensions/xep-0216.html</link>>.</note>" >
<!ENTITY xep0221 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0221.html'>Data Forms Media Element</link></span> <note>XEP-0221: Data Forms Media Element <<link url='http://xmpp.org/extensions/xep-0221.html'>http://xmpp.org/extensions/xep-0221.html</link>>.</note>" >
<!ENTITY xep0222 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0222.html'>Best Practices for Persistent Storage of Public Data via Publish-Subscribe</link></span> <note>XEP-0222: Best Practices for Persistent Storage of Public Data via Publish-Subscribe <<link url='http://xmpp.org/extensions/xep-0222.html'>http://xmpp.org/extensions/xep-0222.html</link>>.</note>" >
<!ENTITY xep0223 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0223.html'>Best Practices for Persistent Storage of Private Data via Publish-Subscribe</link></span> <note>XEP-0223: Best Practices for Persistent Storage of Private Data via Publish-Subscribe <<link url='http://xmpp.org/extensions/xep-0223.html'>http://xmpp.org/extensions/xep-0223.html</link>>.</note>" >
<!ENTITY xep0227 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0227.html'>Portable Import/Export Format for XMPP-IM Servers</link></span> <note>XEP-0227: Portable Import/Export Format for XMPP-IM Servers <<link url='http://xmpp.org/extensions/xep-0227.html'>http://xmpp.org/extensions/xep-0227.html</link>>.</note>" >
<!ENTITY xep0228 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0228.html'>Requirements for Shared Editing</link></span> <note>XEP-0228: Requirements for Shared Editing <<link url='http://xmpp.org/extensions/xep-0228.html'>http://xmpp.org/extensions/xep-0228.html</link>>.</note>" >
<!ENTITY xep0229 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0229.html'>Stream Compression with LZW</link></span> <note>XEP-0229: Stream Compression with LZW <<link url='http://xmpp.org/extensions/xep-0229.html'>http://xmpp.org/extensions/xep-0229.html</link>>.</note>" >
<!ENTITY xep0233 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0233.html'>Use of Domain-Based Service Names in XMPP SASL Negotiation</link></span> <note>XEP-0233: Use of Domain-Based Service Names in XMPP SASL Negotiation <<link url='http://xmpp.org/extensions/xep-0233.html'>http://xmpp.org/extensions/xep-0233.html</link>>.</note>" >
<!ENTITY xep0262 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0262.html'>Use of ZRTP in Jingle RTP Sessions</link></span> <note>XEP-0262: Use of ZRTP in Jingle RTP Sessions <<link url='http://xmpp.org/extensions/xep-0262.html'>http://xmpp.org/extensions/xep-0262.html</link>>.</note>" >
<!ENTITY xep0269 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0269.html'>Jingle Early Media</link></span> <note>XEP-0269: Jingle Early Media <<link url='http://xmpp.org/extensions/xep-0269.html'>http://xmpp.org/extensions/xep-0269.html</link>>.</note>" >
<!ENTITY xep0273 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0273.html'>Stanza Interception and Filtering Technology</link></span> <note>XEP-0273: Stanza Interception and Filtering Technology <<link url='http://xmpp.org/extensions/xep-0273.html'>http://xmpp.org/extensions/xep-0273.html</link>>.</note>" >
<!ENTITY xep0274 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0274.html'>Design Considerations for Digital Signatures in XMPP</link></span> <note>XEP-0274: Design Considerations for Digital Signatures in XMPP <<link url='http://xmpp.org/extensions/xep-0274.html'>http://xmpp.org/extensions/xep-0274.html</link>>.</note>" >
<!ENTITY xep0279 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0279.html'>Server IP Check</link></span> <note>XEP-0279: Server IP Check <<link url='http://xmpp.org/extensions/xep-0279.html'>http://xmpp.org/extensions/xep-0279.html</link>>.</note>" >
