using Microsoft.Web.Services3.Messaging;
using Microsoft.Web.Services3.Addressing;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml;
using System.Xml.Serialization;

  [WebService(Namespace = "http://test.com")]
  [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
  public class HelloService : System.Web.Services.WebService
  {
    public HelloService()
    {
    }

    [WebMethod]
    public string HelloWorld()
    {
      return "Hello World";
    }
  }

    static void Main(string[] args)
    {
      Uri listenAddress = new Uri("soap.tcp://localhost/HelloService");
      SoapReceivers.Add(new EndpointReference(listenAddress),
        typeof(HelloService));

      Console.WriteLine("Press any key to exit...");
      Console.ReadLine();
    }

C:\Program Files\Microsoft WSE\v3.0\Tools>WseWsdl3.exe /type:webClient soap.tcp://localhost/HelloService
Web Services Enhancements 3.0 for Microsoft .NET.
 Copyright (c) Microsoft Corporation.

Microsoft (R) Web Services Description Language Utility
[Microsoft (R) .NET Framework, Version 2.0.50727.42]
Copyright (C) Microsoft Corporation. All rights reserved.
Writing file 'C:\Program Files\Microsoft WSE\v3.0\Tools\HelloService.cs'.

• Microsoft.Web.Services3
• System.Web.Services
• System.Web

    static void Main(string[] args)
    {
      HelloService service = new HelloService();
      Console.WriteLine("Connect to " + service.Url);
      Console.WriteLine(service.HelloWorld());
    }

  [ServiceContract(Namespace = "http://www.wcftest.com/")]
  public interface IHelloWorld
  {
    [OperationContract]
    string HelloWorld();
  }

  [ServiceBehavior]
  public class CHelloWorld : IHelloWorld
  {
    public string HelloWorld()
    {
      return "Hello World";
    }
  }
  

    static void Main(string[] args)
    {
      using (ServiceHost serviceHost = new ServiceHost(typeof(CHelloWorld)))
      {
        serviceHost.Open();
        Console.ReadLine();
        serviceHost.Close();
      }
    }

<?xml version="1.0" encoding="utf-8" ?>
<configuration>

  <system.serviceModel>
    
    <services>
      <service 
         name="WcfConsole.IHelloWorld"
         behaviorConfiguration="HelloWorldBehavior">
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:9091/HelloService"/>
          </baseAddresses>
        </host>
        <endpoint address=""
           binding="basicHttpBinding"
           contract="WcfConsole.IHelloWorld" />

        <endpoint address="mex"
                 binding="mexHttpBinding"
                 contract="IMetadataExchange" />
      </service>
    </services>

    <behaviors>
      <serviceBehaviors>
        <behavior name="HelloWorldBehavior">
          <serviceMetadata httpGetEnabled="True"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
    
  </system.serviceModel>

</configuration>

    static void Main(string[] args)
    {
      MyService.CHelloWorld svc = new WcfConsumer.MyService.CHelloWorld();
      Console.WriteLine(svc.HelloWorld());
    }