CallExit helps you prepare a realistic app-generated incoming-call alert with a caller name, timer, ringtone, vibration, and a lock-screen-style display. Set the alert, lock the phone, and use the on-screen call-style interface when the timer ends. This is a local alert tool and does not place or receive real carrier phone calls. The app uses Wake Lock to wake the screen for the scheduled alert and vibration access for ringtone-style vibration feedback. No location, contacts, SMS, call log, microphone, camera, or storage permissions were observed.