2.1 Transport
The .NET Message Framing TCP Binding Protocol requires TCP [RFC793].
An endpoint that uses the .NET Message Framing TCP Binding Protocol with [SOAP1.2-1/2003] MUST set the value of the transport attribute of the wsoap12:binding element [WSDLSOAP] to http://schemas.microsoft.com/soap/tcp.
An endpoint that uses the .NET Message Framing TCP Binding Protocol with [SOAP1.1] MUST set the value of the transport attribute of the soap:binding element [WSDL] to http://schemas.microsoft.com/soap/tcp.