s-8_1.cs

public class WcfDynamicSoapProxy<T> : IDisposable where T : class
{
  public static WcfDynamicSoapProxy<T> CreateProxy(string endpointAdressUri)
  {
    return new WcfDynamicSoapProxy<T>(endpointAdressUri);
  }

  protected readonly ChannelFactory<T> DynamicChannelFactory;        
  public T Channel { get; private set; }

  public WcfDynamicSoapProxy(string endpointAdressUri)
  {
    BasicHttpBinding binding = new BasicHttpBinding(); //'application/soap+xml; charset=utf-8'       
    DynamicChannelFactory = new ChannelFactory<T>(binding, endpointAdressUri);
    Channel = DynamicChannelFactory.CreateChannel();                  
  }

  public void Dispose()
  {
    DynamicChannelFactory.Close();
    (DynamicChannelFactory as IDisposable).Dispose();            
  }
}