<?xml version="1.0" encoding="UTF-8"?>
<impp:presence xmlns:impp="urn:ietf:params:xml:ns:pidf"
     xmlns:myex="http://id.mycompany.com/presence/"
     entity="pres:someone@example.com">
  <impp:tuple id="tj25ds">
    <impp:status>
      <impp:basic>open</impp:basic>
    </impp:status>
    <myex:complexExtension>
      <myex:ex1 impp:mustUnderstand="1">val1</myex:ex1>
      <myex:ex2>val2</myex:ex2>
    </myex:complexExtension>
    <impp:contact priority="0.725">tel:+09012345678</impp:contact>
  </impp:tuple>
  <myex:mytag>My extended presentity information</myex:mytag>
</impp:presence>

