//Case when it work
08:37:45 SENT (0): <presence to='azerty@conference.b105783.ww930.my-it-solutions.net/test11' id='U8rjy-17'><x xmlns='http://jabber.org/protocol/muc'></x><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://www.igniterealtime.org/projects/smack' ver='NfJ3flI83zSdUDzCEICtbypursw='/></presence>
08:37:45 RECV (0): <presence to="test1@b105783.ww930.my-it-solutions.net/1hhvlg8onx" id="gSIUa-33" from="azerty@conference.b105783.ww930.my-it-solutions.net/testbot2"><c xmlns="http://jabber.org/protocol/caps" hash="sha-1" node="http://www.igniterealtime.org/projects/smack" ver="NfJ3flI83zSdUDzCEICtbypursw="/><x xmlns="http://jabber.org/protocol/muc#user"><item jid="admin@b105783.ww930.my-it-solutions.net/1vk8eh0349" affiliation="owner" role="moderator"/></x></presence>
08:37:45 RECV (0): <presence to="test1@b105783.ww930.my-it-solutions.net/1hhvlg8onx" id="U8rjy-17" from="azerty@conference.b105783.ww930.my-it-solutions.net/test11"><c xmlns="http://jabber.org/protocol/caps" hash="sha-1" node="http://www.igniterealtime.org/projects/smack" ver="NfJ3flI83zSdUDzCEICtbypursw="/><x xmlns="http://jabber.org/protocol/muc#user"><item jid="test1@b105783.ww930.my-it-solutions.net/1hhvlg8onx" affiliation="none" role="participant"/><status code="110"/><status code="100"/></x></presence>

//Case when it doesn't work
08:37:07 SENT (0): <presence to='aze@conference.b105783.ww930.my-it-solutions.net/test11' id='U8rjy-13'><x xmlns='http://jabber.org/protocol/muc'></x><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://www.igniterealtime.org/projects/smack' ver='NfJ3flI83zSdUDzCEICtbypursw='/></presence>
08:37:07 RECV (0): <presence to="test1@b105783.ww930.my-it-solutions.net/1hhvlg8onx" id="U8rjy-13" from="aze@conference.b105783.ww930.my-it-solutions.net/test11" type="error"><x xmlns="http://jabber.org/protocol/muc"/><c xmlns="http://jabber.org/protocol/caps" hash="sha-1" node="http://www.igniterealtime.org/projects/smack" ver="NfJ3flI83zSdUDzCEICtbypursw="/><error code="404" type="cancel"><item-not-found xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></presence>