Esto es común a todos los pedidos:
POST /api.php HTTP/1.0 User-Agent: NuSOAP/0.6.3 Host: localhost Content-Type: text/xml; charset="(ISO-8859-1|UTF-8)" SOAPAction: ""
<?xml version="1.0" encoding="(ISO-8859-1|UTF-8)"?>
<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" 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:Body>