POST http://www.soapclient.com/interop/sqldatainterop.wsdl
Accept: text/xml
Accept: multipart/*
Content-Length: 538
Content-Type: text/xml; charset=utf-8
SOAPAction: "/soapinterop"

<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/1999/XMLSchema"><SOAP-ENV:Body><namesp63:echoBase64 xmlns:namesp63="http://tempuri.org/message/"><inputBase64 xsi:type="SOAP-ENC:base64">AAEC</inputBase64></namesp63:echoBase64></SOAP-ENV:Body></SOAP-ENV:Envelope>
HTTP/1.1 200 OK
Connection: Close
Server: SQLData Server/3.01
Content-Length: 640
Content-Type: text/xml; charset="utf-8"
Client-Date: Fri, 29 Jun 2001 01:43:48 GMT
Client-Peer: 63.75.203.3:80
Set-Cookie: SessionId=00126802573502266101064601631202867700689602736;Max-Age=300;Version=1

<?xml version="1.0" encoding="UTF-8" standalone="no"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd1="http://soapinterop.org/" xmlns:typens="http://soapinterop.org/xsd" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><xsd1:echoBase64Response><return xsi:type="xsd:base64Binary">AAEC</return></xsd1:echoBase64Response></SOAP-ENV:Body> </SOAP-ENV:Envelope>