The Secufone. Mobile phone, GPS and security alarm in one. Plus a really comforting Big Red Button. Price, no clue. Retailers, no idea. Availability, search me, Jack.  

 The alarm button is for special use. By pressing this button you will be connected to the associated alarm centre. Immediately a hands free speech connection is available so that you can indicate what the problem is. The Alarm center will then take the appropriate action to organize the help you need. Due to the integral GPS the alarm centre knows exactly where you are. If you are in a building the GPS will indicate the last position you were in outside i.e. by locating the entrance