Tapping this speaks aloud and plays a tone so someone nearby notices. It does not call hospital staff, a nurse call system or emergency services automatically — it only makes noise here, on this device. For a true emergency, press your nurse call button or ask someone to get help immediately.
Opens your phone's dialer — it does not call automatically, you still confirm. 112 works as a backup on almost any mobile, even without a SIM or when the phone is locked.