// Контракт
[ServiceContract]
public interface IService1
{
    [OperationContract]
    [WebGet(UriTemplate = "test/{name}")]
    string GetData(string name);
}

// сервис
public class Service1 : IService1
{
    public string GetData(string name)
    {
        return string.Format("You entered: {0}", name);
    }
}

<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:tem="http://tempuri.org/">
   <soap:Header/>
   <soap:Body>
      <tem:GetData>
         <tem:name>NNNN</tem:name>
      </tem:GetData>
   </soap:Body>
</soap:Envelope>

<system.serviceModel>
   <services>
      <service name="WcfService1.Service1" behaviorConfiguration="WcfService1.Service1Behavior">
         <endpoint address="" binding="basicHttpBinding" contract="WcfService1.IService1">

<endpoint address="" binding="wsHttpBinding" contract="WcfService1.IService1">