Listing 1
<?xml version="1.0" encoding="UTF-8" ?>
<SOAP:Envelope
SOAP:encodingStyle=http://schemas.xmlsoap.org/soap/encoding/
xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP:Body>
<btp:begin transaction-type="atom"
xmlns:btp="urn:oasis:names:tc:BTP:1.0:core" />
</SOAP:Body>
</SOAP:Envelope>

Listing 2
<?xml version="1.0" encoding="UTF-8" ?>
<SOAP:Envelope
SOAP:encodingStyle=http://schemas.xmlsoap.org/soap/encoding/
xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP:Header>
<btp:messages xmlns:btp="urn:oasis:names:tc:BTP:1.0:core">
<btp:context>
<btp:superior-address>
<btp:binding-name>soap-http-1</btp:binding-name>
<btp:binding-address>
http://mybusiness.com/btpservice
</btp:binding-address>
</btp:superior-address>
<btp:superior-identifier>
12fa6de4ea3ec
</btp:superior-identifier>
<btp:superior-type>atom</btp:superior-type>
</btp:context>
</btp:messages> 
</SOAP:Header>
<SOAP:Body>
<ns:myMethod xmlns:ns="http://tempuri.org/">
<arg1 xsi:type="xsd:int">99</arg1>
<arg2 xsi:type="xsd:int">101</arg2>
</ns:myMethod>
</SOAP:Body>
</SOAP:Envelope>