private void BroadcastDiscoverMessage(string serviceType, TimeSpan mxValue) { var multicastIpAddress = _CommunicationsServer.DeviceNetworkType.GetMulticastIPAddress(); byte[] multicastMessage = BuildDiscoverMessage(serviceType, mxValue, multicastIpAddress); _CommunicationsServer.SendMessage(multicastMessage, new UdpEndPoint { IPAddress = multicastIpAddress, Port = SsdpConstants.MulticastPort }); }