Sending a SOAP 1.1 server response using the content type defined for 1.2?

When analyzing traffic through wirehark, I see the response envelope as http://schemas.xmlsoap.org/soap/envelope/ and request the envelope http://www.w3.org/2003/05/soap-envelope

  1. Again I tried to send a message to the same server using SOAP 1.1 and received the following exception

    System.ServiceModel.ProtocolException: the application of the content type / soap + xml of the response message does not match the content type of the binding (text / xml; charset = utf-8). When using a custom encoder, make sure that the IsContentTypeSupported Method is implemented correctly.

Based on the above 2 logs, can I conclude that the remote server uses SOAP1.1 and sends a response using the content type defined for SOAP1.2, which is application / soap + xml? Is this the correct implementation of the SOAP specification?

The code was generated using the Service reference from WSDL. The following is a snippet of code:

Test3.ServiceReference1.SoapRqst client = new Test3.ServiceReference1.SoapRqstClient();
RepRequest rqst = new RepRequest();
RepResponse op = client.getReply(rqst);
string responseSting = op.Body.respMsg;
Console.Out.Write(responseSting);

Client Side Service Model:

Service Binding For SOAP 1.1

   <system.serviceModel>
   <bindings>
        <basicHttpBinding>
            <binding name="<>"  />
        </basicHttpBinding>
    </bindings>
    <client>
        <endpoint address="<>"
            binding="basicHttpBinding" bindingConfiguration="<>"
            contract="<>" name="<>" />
    </client>
</system.serviceModel>



Service Binding for SOAP 1.2

   <system.serviceModel>
    <bindings>
    <customBinding>
        <binding name="">
            <textMessageEncoding messageVersion="Soap12" />
            <httpTransport />
        </binding>
    </customBinding>
</bindings>
<client>
    <endpoint address="<>"
        binding="customBinding" bindingConfiguration="<>"
        contract="<>" name="<>" />
</client>

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