<iq type='set' 
    from='' 
    to='' 
    id='rpc1'>
  <query xmlns='jabber:iq:rpc'>
    <methodCall>
      <methodName>isVIP</methodName>
      <params>
        <param>
          <value><string>anyjid@server.xx</string></value>
        </param>
      </params>
    </methodCall>
  </query>
</iq>


<iq type='result' 
    from='' 
    to='' 
    id='rpc1'>
  <query xmlns='jabber:iq:rpc'>
    <methodResponse>
      <params>
        <param>
          <value><string>0</string></value>
        </param>
      </params>
    </methodResponse>
  </query>
</iq>

// odeslat
<iq xmlns='jabber:client' from='' xml:lang='en' to='rpc@jabbim.cz/service' type='set' id='663904'>
 <query xmlns='jabber:iq:rpc'>
  <methodCall>
   <methodName>isVIP</methodName>
   <params><param><value><string>gorila@dione.zcu.cz</string></value></param></params>
  </methodCall>
 </query>
</iq>


// ok
<iq xmlns='jabber:client' from='' xml:lang='en' to='rpc@jabbim.cz/service' type='set' id='663904'>
 <query xmlns='jabber:iq:rpc'>
  <methodResponse>
   <params><param><value><int>0</int></value></param></params>
  </methodResponse>
 </query>
</iq>


// chyba
<iq xmlns='jabber:client' from='' xml:lang='en' to='rpc@jabbim.cz/service' type='error' id='663904'>
 <query xmlns='jabber:iq:rpc'>
  <methodCall>
   <methodName>isVIP</methodName>
   <params><param><value><string>gorila@dione.zcu.cz</string></value></param></params>
  </methodCall>
 </query>
 <error code='403' type='auth'>
  <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
 </error>
</iq>
  