XMPP Extension Protocols http://xmpp.org/extensions/ XMPP extensions published by the XMPP Standards Foundation. XEP-0136: Message Archiving http://xmpp.org/extensions/xep-0136.html Version 1.1 of XEP-0136 released 2009-09-23. XEP-0085: Chat State Notifications http://xmpp.org/extensions/xep-0085.html Version 2.1 of XEP-0085 released 2009-09-23. XEP-0274: Design Considerations for Digital Signatures in XMPP http://xmpp.org/extensions/xep-0274.html Version 0.1 of XEP-0274 released 2009-09-15. XEP-0273: Stanza Interception and Filtering Technology http://xmpp.org/extensions/xep-0273.html Version 0.1 of XEP-0273 released 2009-09-15. XEP-0080: User Location http://xmpp.org/extensions/xep-0080.html Version 1.7 of XEP-0080 released 2009-09-15. XEP-0256: Last Activity in Presence http://xmpp.org/extensions/xep-0256.html Version 1.1 of XEP-0256 released 2009-09-15. XEP-0203: Delayed Delivery http://xmpp.org/extensions/xep-0203.html Version 2.0 of XEP-0203 released 2009-09-15. XEP-0077: In-Band Registration http://xmpp.org/extensions/xep-0077.html Version 2.3 of XEP-0077 released 2009-09-15. XEP-0055: Jabber Search http://xmpp.org/extensions/xep-0055.html Version 1.3 of XEP-0055 released 2009-09-15. XEP-0272: Multiparty Jingle (Muji) http://xmpp.org/extensions/xep-0272.html Version 0.1 of XEP-0272 released 2009-09-11.