public void ReceivedWhoIs(BacNetRawMessage msg)
{
WhoIs apdu = new WhoIs(msg.Apdu);
uint devId = BacNetDevice.Instance.DeviceId;
if ((apdu.LowLimit != null && apdu.HighLimit != null && apdu.LowLimit.Value < devId && apdu.HighLimit.Value > devId) || (apdu.LowLimit == null || apdu.HighLimit == null))
BacNetDevice.Instance.Services.Unconfirmed.IAm();
}