Stuff

<iq type="set" id="aae2a" >
<query xmlns="jabber:iq:roster">
<item name="dfbr" jid="bkjnskfje@server.org" />
</query>
</iq>

<presence type="subscribe" to="bkjnskfje@server.org" />

<iq type="set" >
<query xmlns="jabber:iq:roster">
<item subscription="none" name="dfbr" jid="bkjnskfje@server.org" />
</query>
</iq>

<iq from="rafalzaq@jabber.aster.pl/psi-pedrito" type="result" to="rafalzaq@jabber.aster.pl/psi-pedrito" id="aae2a" />

<iq type="set" >
<query xmlns="jabber:iq:roster">
<item ask="subscribe" subscription="none" name="dfbr" jid="bkjnskfje@server.org" />
</query>
</iq>

<presence from="bkjnskfje@server.org" type="error" to="rafalzaq@jabber.aster.pl" >
<error type="wait" code="502" >
<service-unavailable xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/>
<text xmlns="urn:ietf:params:xml:ns:xmpp-stanzas">Failed to deliver stanza to other server while connecting to other host: 198.80.11.86: Connection refused</text>
</error>
</presence>