The Delayed Delivery protocol is specified in XEP-0203 (a Final Standard of the XMPP Standards Foundation). This specification defines an XMPP protocol extension for communicating the fact that an XML stanza has been delivered with a delay, for example because a message has been stored on a server while the intended recipient was offline or because a message is contained in the history of a multi-user chat room.
The following XML namespaces are used in the context of the Delayed Delivery protocol:
The following XML schemas are available for the Delayed Delivery protocol:
Information about this XMPP protocol is maintained by the XMPP Registrar.