examples of telephones [1]
The shape and function of telephones is constantly evolving; today’s phones relay computer data as well as voice communication.
pay phone 
Telephone located in public places; it functions when coins or payment cards are inserted into the phone box.
armored cord 
handset 
Movable part of the telephone made up of the receiver and the transmitter.
volume control 
Button that controls the loudness of the phone.
coin return bucket 
Small chamber for retrieving coins.
card reader 
Device used to read a payment card (credit card, calling card or prepaid card).
next call 
Button used to make another telephone call without hanging up the handset.
display 
Liquid crystal display that shows a variety of information such as dialed number and prepaid card balance.
coin slot 
Slot for inserting coins into a telephone to pay for a call.