Asterisk and Jabber (XMPP)

The  name  Jabber  is actually  the  original  name  for the IETF XMPP protocols  (RFC 3920-3923). Since Jabber  is  by far a  better  name than XMPP,  the original name has stuck.  This protocol  was  originally designed to  be a  decentralized,  nonproprietary, open-standards messaging and presence framework. It supports offline message deliv- ery  and encryption,  and  has grown to include voice messaging,  which  Asterisk sup- ports. It is interesting to note that in the beginning, Jabber was seen as a competitor to the SIMPLE protocol, which is SIP-based. XMPP is designed as a more general protocol, and is of course XML-based.