||Allows to gather data using Forms.
||Communicating information about the last activity associated with an XMPP entity.
|Flexible Offline Message Retrieval
||Extension for flexible, POP3-like handling of offline messages.
||Enabling or disabling communication with other entities.
||Allows to discover services in XMPP entities.
|Extended Stanza Addressing
||Allows to include headers in stanzas in order to specifiy multiple recipients or sub-addresses.
|Multi User Chat
||Allows configuration of, participation in, and administration of individual text-based conference rooms.
||Enables any two entities to establish a one-to-one bytestream between themselves using plain XMPP.
||Bookmarks, for e.g. MUC and web pages.
||Manages private data.
||Advertising and executing application-specific commands.
||The vCard-XML format currently in use.
||Search information repositories on the XMPP network.
|Result Set Management
||Page through and otherwise manage the receipt of large result sets
||Generic publish and subscribe functionality.
||Out-of-band bytestream between any two XMPP entities.
||Allows send and receiving formatted messages using XHTML.
||In-band registration with XMPP services.
|Advanced Message Processing
||Enables entities to request, and servers to perform, advanced processing of XMPP message stanzas.
||Enabled communicating information about the current geographical or physical location of an entity.
|XMPP Date Time Profiles
||Standardization of Date and Time representation in XMPP.
|Chat State Notifications
||Communicating the status of a user in a chat session.
||Allows local time information to be shared between users.
||Retrieve and announce the software application of an XMPP entity.
||Initiating a data stream between any two XMPP entities.
|SI File Transfer
||Transfer files between two users over XMPP.
||Broadcasting and dynamic discovery of entity capabilities.
|Data Forms Validation
||Enables an application to specify additional validation guidelines .
||Recommended best practices for service-level administration of servers and components using Ad-Hoc Commands.
||Support for optional compression of the XMPP stream.
|Data Forms Layout
||Enables an application to specify form layouts.
|Personal Eventing Protocol
||Using the XMPP publish-subscribe protocol to broadcast state change events associated with an XMPP account.
|Message Delivery Receipts
||Extension for message delivery receipts. The sender can request notification that the message has been delivered.
||Communications blocking that is intended to be simpler than privacy lists (XEP-0016).
||Sending application-level pings over XML streams.
||Allows entities to communicate their local time
||Extension for communicating the fact that an XML stanza has been delivered with a delay.
|XMPP Over BOSH
||Use Bidirectional-streams Over Synchronous HTTP (BOSH) to transport XMPP stanzas.
||Getting attention of another user.
|Bits of Binary
||Including or referring to small bits of binary data in an XML stanza.
|Best Practices for Resource Locking
||Specifies best practices to be followed by Jabber/XMPP clients about when to lock into, and unlock away from, resources.
|Last Message Correction
||Provides a method for indicating that a message is a correction of the last sent message.
|Group Chat Invitations
||Send invitations to other users to join a group chat room.