The inventor of the telephone was Antonio Meucci, who called it "teletrofono" but economic hardship, only gave a brief description of your invention and not enter the patent.
The phone is a communication device designed to transmit audio signals from a distance by means of electric signals.
Today, thanks to technological advances, people have designed phones with larger keys, sharper tone ringer sounds indicating each marking and keys in "Braille" for the Blind, with simple to understand menu numbers; with the idea of "design for all", so they can be used by elderly or disabled people, and so do not limit the use of this great invention.