 A Telecommunication Device for the Deaf (TDD) or TeleTypewriter (TTY) offers one means of telephone communication for people who are deaf or severely hearing impaired. A TDD looks like a small computer with a standard keyboard and LCD display. The user places the handset of the telephone on the TDD and then "talks" by typing messages on the keyboard. The Americans with Disabilities Act requires companies that offer telephone services to be connected to a relay service so that a person using a TDD can communicate with them. This is extremely important, because prior to the passage of the ADA, a person who used a TDD could only communicate with others who also had TDDs. Now, TDD users can use their phones in the same ways that hearing people use their telephones.
AT&T National Special Needs Center
others available through LS&S, Inc.
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