TONEPAD

noun Also written tone pad (Science and Technology) An electronic device similar in size and shape to the remote control handset of a television set and used for the transfer of data to a central computer, often over a telephone line. Etymology: Formed by compounding: a box the size of a pad of paper, used to transmit data by means of electronic tones. Unlike its competitors, the TSB Speedlink requires only a tonepad...and an ordinary telephone. After punching out a code number similar to those used in automated teller machines and the account number given on the customer's cheque book, he or she simply tells the voice-activated computer which services are required. Daily Telegraph 15 Apr. 1987, p. 27 Until payphones are converted, they allow anyone with a readily available gadget called a 'tone pad' to make free calls of unlimited duration anywhere in the world. New Scientist 9 June 1990, p. 27