<iq type="set"
id="nimbuzz_submitroomconfingform"
to="YOUR_ROOM_NAME@conference.nimbuzz.com"><query
xmlns="http://jabber.org/
protocol/muc#owner"><x
type="submit"
xmlns="jabber:x:data"><field
var="FORM_TYPE"><value>http://
jabber.org/protocol/
muc#roomconfig</value></
field><field
var="muc#roomconfig_roomname"><value>YOUR_ROOM_NAME</
value></field><field
var="muc#roomconfig_maxusers"><value>30</
value></field><field
var="muc#roomconfig_publicroom"><value>1</
value></field><field
var="muc#roomconfig_persistentroom"><value>1</
value></field><field
var="muc#roomconfig_membersonly"><value>0</
value></field><field
var="muc#roomconfig_whois"><value>anyone</
value></field></x></query></
iq>