The Alcatel T78, a complete corded phone, working without mains power or battery! To no longer be bothered by unwanted calls, the T78 is equipped with a call block function allowing: To Block the calls one by one during or after an incoing call thanks to the dedictated key; To only make ring the numbers stored in the directory. It's equipped with en extra large, easy to read display, supporting features such as caller ID, new and missed calls notifications, date/time display. Share your communications thanks to the handsfree function with the large backit key and enjoy the large user friendly keypad and the 18 memories. The T78 is an eco friendly phone, it works without batteries or power supply.