An electronic device includes a communication device communicating with one or more Internet-of-things devices, one or more processors, and a memory. The communication device receives, from at least one Internet-of-things device, an event notification. The one or more processors identify a notification recipient to whom the event notification should be sent from a plurality of predefined system users, select a receiving electronic device from at least two electronic devices belonging to the notification recipient, convert the event notification from a first event notification type to a second event notification type that is receivable by the receiving electronic device, and transmit the event notification to the receiving electronic device.