Requesting voice in moderated MUC room
New JEP-0045 will define protocol to request voice in moderated rooms. This will make use of data forms inside <message/> stanzas. Just leaving note to implement that when new version of JEP will be finished.
Depends on #2225 (closed)
http://www.jabber.org/jeps/tmp/jep-0045-1.21.html#requestvoice