Definitions for "Telecommunications Device for the Deaf"
Keywords:  tdd, tty, deaf, mrc, speech
Telecommunications Device for the Deaf also known as TTY and TDD enables both hearing and speech impaired individuals to connect any phone utilizing one of the local MRC (Message Relay Centers). In addition to telephone equipment, specialize software is now available to enable use of computers as a communication device. CaregiverPA Resources - Assistive Technology
A device, attached to a telephone handset, allowing deaf people to communicate by typing messages to each other.
A device that allows persons who are deaf to talk on the telephone by typing messages.