"ping"; -- Replies to XMPP pings with pongs
"pep"; -- Enables users to publish their mood, activity, playing music and more
"register"; -- Allow users to register on this server using a client and change passwords
+ "adhoc"; -- Support for "ad-hoc commands" that can be executed with an XMPP client
+ "admin_adhoc"; -- Offer a range of administrative ad-hoc commands to server admins
-- Other specific functionality
--"posix"; -- POSIX functionality, sends server to background, enables syslog, etc.