On this site you can learn many things about mobile phones such as what a phone is, how they were created, what models exist, who is dominant in the production of phones and many more.
A telephone is a remote communication device that is used to receive and transmit sound (mostly human voice) from one place to another and vice versa. Most phones work by transmitting an electrical signal over a complex system of telephone networks that allows almost any phone user to communicate with almost anyone else.
There are 3 basic ways a user connects to the telephone network:
This is a picture of a telephone from 1910.