TELECOMMUNICATION DEVICE (TDD)

a tool utilized by people with hearing loss or speech handicaps to correspond via telephone lines. It commonly comprises a letter display, keyboard, and a cradle for the telephone handset and may additionally consist of a printer. A person types a message and transmits it, and another person with a telecommunication tool is the recipient of the message, viewing it on the display, and then typing and transmitting a reply.

TELECOMMUNICATION DEVICE (TDD): "Telecommunication devices are sometimes referred to as text telephone."
Cite this page: N., Pam M.S., "TELECOMMUNICATION DEVICE (TDD)," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/telecommunication-device-tdd/ (accessed August 3, 2020).
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