@vt, Ну в консоли так:
===================
<iq type="set" to="
[email protected]/Juick" id="qip_29">
<si xmlns="http://jabber.org/protocol/si" id="pqwyexdy" mime-type="binary/octet-stream" profile="http://jabber.org/protocol/si/profile/file-transfer">
<file name="2019-02-12_152917.png" size="47450" xmlns="http://jabber.org/protocol/si/profile/file-transfer">
<desc>Тест постинга картинки.</desc>
</file>
<feature xmlns="http://jabber.org/protocol/feature-neg">
<x xmlns="jabber:x:data" type="form">
<field var="stream-method" type="list-single">
<option>
<value>http://jabber.org/protocol/bytestreams</value>
</option>
<option>
<value>http://jabber.org/protocol/ibb</value>
</option>
</field>
</x>
</feature>
</si>
</iq>
<iq from="
[email protected]/Juick" to="
[email protected]/QIP" type="result" id="qip_29" xml:lang="ru">
<si xmlns="http://jabber.org/protocol/si">
<feature xmlns="http://jabber.org/protocol/feature-neg">
<x xmlns="jabber:x:data" type="submit">
<field type="list-single" var="stream-method">
<value>http://jabber.org/protocol/bytestreams</value>
</field>
</x>
</feature>
</si>
</iq>
<iq type="set" to="
[email protected]/Juick" id="qip_30">
<query xmlns="http://jabber.org/protocol/bytestreams" sid="pqwyexdy">
<streamhost jid="
[email protected]/QIP" host="192.168.88.33" port="58659" />
</query>
</iq>