Calling service stack service without any parameters using service reference client

CallServiceStackWithServiceReferenceClient

using System.ServiceModel;
using proxy = AcmeSOAClient.AcmeServices;

namespace AcmeSOAClient
{
    class Program
    {
        static void Main(string[] args)
        {

            var binding = new WSHttpBinding();
            binding.Security.Mode = SecurityMode.None;

            using (var client = new proxy.SyncReplyClient(binding, new EndpointAddress("http://localhost:59557/soap12/")))
            {
                proxy.ResponseStatus responseStatus;
                var customers = client.GetContactMasterData(out responseStatus);
            }
        }
    }
}