public ActionResult AccessCode(RegistrationCheck check)
    {
      RegistrationModel model = new RegistrationModel();
      string pinCode = GetPin(check);
      DeviceRegistration deviceRegistration = model.GetRegistration(GetPin(check));

      if (deviceRegistration != null)
      {
        check.ChannelUri = deviceRegistration.ChannelUri;
      }

      return RedirectToAction("Information", new { pinCode = pinCode });
    }