request.xml

<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ecl="http://ECL.Online.BT.ChangeLog.ChangeLogRequest_v1_0_XML.xsd" xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
  <soap:Body>
    <ecl:ChangeLogRequest>
      <ecl:MessageDateTime>2013-02-25T14:03:09+13:00</ecl:MessageDateTime>
      <ecl:BusinessUnit>CP</ecl:BusinessUnit>
      <ecl:AccountNumber>91327067</ecl:AccountNumber>
      <ecl:ReturnData>Pricing</ecl:ReturnData>
    </ecl:ChangeLogRequest>
  </soap:Body>
</soap:Envelope>

response.xml

<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://www.w3.org/2005/08/addressing">
  <s:Header>
    <a:Action s:mustUnderstand="1">Response</a:Action>
    <a:MessageID>urn:uuid:caab434f-157c-4995-8d18-49162f7600cc</a:MessageID>
  </s:Header>
  <s:Body>
    <ns0:ChangeLogResponse xmlns:ns0="http://ECL.Online.BT.ChangeLog.ChangeLogResponse_v1_2_XML.xsd">
      <ns0:CourierPost>
        <ns0:Header>
          <ns0:MessageID>84D6726F-7BA8-45AC-B162-FEA799AC4777</ns0:MessageID>
          <ns0:MessageDateTime>2013-02-25T01:03:09</ns0:MessageDateTime>
          <ns0:RequestMessageID/>
          <ns0:ResponseCode>0</ns0:ResponseCode>
          <ns0:AccountNumber>91327067</ns0:AccountNumber>
        </ns0:Header>
        <ns0:Detail/>
      </ns0:CourierPost>
    </ns0:ChangeLogResponse>
  </s:Body>
</s:Envelope>