Due to various reasons, the devices registered with WSO2 IoT Server might not be able to communicate with the server continuously. When the device is not actively communicating with the server, you need to know of it to take necessary actions, such as checking if the device has any malfunctions and repairing it or checking if the device is was stolen.
To get a clear understanding, let's look at how this works in WSO2 IoT Server.
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