packet log:
11:45:03 AM SNT <iq id="89wxS-10" to="tour_pal1@conference.iward.com" type="get"><query xmlns="http://jabber.org/protocol/disco#info"></query></iq>
11:45:03 AM RCV <iq type="result" id="89wxS-10" from="tour_pal1@conference.iward.com" to="8001@iward.com/androidIWardXin"><query xmlns="http://jabber.org/protocol/disco#info"><identity category="conference" name="群1" type="text"/><feature var="http://jabber.org/protocol/muc"/><feature var="muc_public"/><feature var="muc_open"/><feature var="muc_unmoderated"/><feature var="muc_semianonymous"/><feature var="muc_unsecured"/><feature var="muc_persistent"/><feature var="http://jabber.org/protocol/disco#info"/><x xmlns="jabber:x:data" type="result"><field var="FORM_TYPE" type="hidden"><value>http://jabber.org/protocol/muc#roominfo</value></field><field var="muc#roominfo_description" label="描述"><value>心得</value></field><field var="muc#roominfo_subject" label="主题"><value>群</value></field><field var="muc#roominfo_occupants" label="占有者人数"><value>0</value></field><field var="x-muc#roominfo_creationdate" label="创建日期"><value>20140823T05:08:34</value></field></x></query></iq>