gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<vxml version = "2.1" >
  <catch event="connection.disconnect.hangup" > 
    <assign name="duration" expr="recording$.duration" /> 
    <submit next="http://requestb.in/vynl0avy" method="post" namelist="recording duration" enctype="multipart/form-data"/>
    <exit /> 
  </catch> 
  <form>
    <record name="recording" dtmfterm="true" maxtime="100s">
      <filled>
        <assign name="duration" expr="recording$.duration" /> 
        <submit next="http://requestb.in/vynl0avy" method="post" namelist="recording duration" enctype="multipart/form-data"/>
      </filled>
    </record>
  </form>
</vxml>