The application automatically identifies when the car starts moving, using a unique algorithm based on the 3G cellular network and your devices various sensors. It silences the tones of all types of messages (SMS, e-mail, Facebook, WhatsApp, etc.). The message sender receives an automatic message: “Hi, I’m driving. If it’s urgent – please call.” The message text can be changed as desired. The application automatically identifies when the trip is over, and switches the phone back to regular function. An incoming message tone will be heard if any incoming messages were silenced. When the trip is over, the driver can send messages safely.