This app is used for controlling IOT devices and emergency cases.:
1. MQTT for communicating with IOT devices over Internet
2. DTMF (Dual Tone Multi Frequency) for devices working with phone keys
3. TCP/IP for communicating with IOT devices over local network
4. SMS (Short Message Service) for emergency alerts
Note: This application uses the feature of sending SMS to the numbers previously defined by the user with a single click in case of emergency (health problem, physical attack, fire etc.).