-------------seller sent-------------
<iq id="4jLvG-34" to="buyer@collabnexgen.net/Smack" from="seller@collabnexgen.net/Smack" type="set">
    <query xmlns="jabber:iq:rpc">
        <methodCall>
            <methodName>
                com.collabng.net.remoteable.ViewpointRemoteable.setViewpoint
            </methodName>
            <params>
                <param>
                    <value>
                        <string>viewpoint_BackView_collabng</string>
                    </value>
                </param>
            </params>
        </methodCall>
    </query>
</iq>

-------------buyer receive-------------
<iq id="4jLvG-34" to="buyer@collabnexgen.net/Smack" from="seller@collabnexgen.net/Smack" type="set">
    <query xmlns="jabber:iq:rpc">
        <methodCall>
            <methodName>
                com.collabng.net.remoteable.ViewpointRemoteable.setViewpoint
            </methodName>
            <params>
                <param>
                    <value>
                        <string>viewpoint_BackView_collabng</string>
                    </value>
                </param>
            </params>
        </methodCall>
    </query>
</iq>

-------------seller receive-------------
<iq id="4jLvG-34" to="seller@collabnexgen.net/Smack" from="buyer@collabnexgen.net/Smack" type="result">
    <query xmlns="jabber:iq:rpc">
        <methodResponse>
            <params>
                <param>
                    <value>
                        <boolean xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"                  xsi:nil="true">
                        </boolean>
                    </value>
                </param>
            </params>
        </methodResponse>
    </query>
</iq>





-------------buyer sent-------------
<iq id="4jLvG-34" to="seller@collabnexgen.net/Smack" from="buyer@collabnexgen.net/Smack" type="result">
    <query xmlns="jabber:iq:rpc">
        <methodResponse>
            <params>
                <param>
                    <value>
                        <boolean xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
                    </value>
                </param>
            </params>
        </methodResponse>
    </query>
</iq>