Telephone

Alternatively referred to as a phone, a telephone is a device that converts voice communication into electrical signals that can be transferred to other telephones and heard. Telephones enable people to communicate with other people all over the world and is widely credited as being first invented by Alexander Graham Bell in 1876.
There are three basic types of phones in use today. The classic corded telephone, which could be rotary dial like or have buttons, the cordless or wireless phone, and the cell phone. Today, most users have replaced their landline phones and are opting for cell phones.


Also see: Acoustic coupler, ANI, Call, CAT1, Cell phone, Cell phone definitions, Hang up, Landline, Modem, Modem definitions, POTS, Telephony