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  1. What's a TTY? What's a TDD? What's a relay system?

    A TTY is basically the same thing as a TDD. The phrase TTY (or Teletype device) is how the deaf community used to refer to the extremely large machines they used to type messages back and forth …

  2. Telecommunications device for the deaf - Wikipedia

    The entire configuration of teleprinter machine, acoustic coupler, and telephone set became known as the TTY. Weitbrecht invented the acoustic coupler modem in 1964.

  3. What is a TTY? (And Why Some People Call it a TDD)

    Dec 7, 2025 · “TTY” is short for TeleTYypewriter —a machine originally used in newsrooms to transmit typed messages. Deaf innovators adapted this technology so typed messages could travel through …

  4. Buy Text Telephones / TTY Online

    A TTY is a telephone communication device for people who are profoundly deaf. TTY stands for Text Telephone. It is also sometimes called a TDD, or Telecommunication Device for the Deaf. TTY is the …

  5. TTY & TDD Phone Devices for Deaf | Teletypewriters - Diglo

    Looking for TTYs? Whether you're deaf, late-deafened, or trying to meet accessibility requirements, we've got what you need. Free shipping & returns!

  6. NAD - National Association of the Deaf

    More than 100 years after the invention of the telephone, deaf and hard of hearing people could finally make a telephone call to anyone. Today, TTY relay services, the original and now “traditional” relay …

  7. Discount TTYs & Teletype Machines for the Hearing Impaired

    TTY is an acronym for Tele Typewriter, sometimes referred to as a Teletype Machine. As one of the most commonly used accommodations by people who are unable to understand speech on the …

  8. What is a TTY? - Text Telephone or Teletypewriter for the Deaf

    A TTY is a special device that lets people who are deaf, hard of hearing, or speech-impaired use the telephone to communicate by allowing them to type messages back and forth to one another instead …

  9. 7 FAQS about Teletypewriter (TTY) Devices

    A TTY (teletypewriter) device is a text communication tool designed for individuals who are deaf, hard of hearing, or have speech impairments. It features a keyboard and screen, allowing users to type …

  10. Amazon.com: Tty Machine

    After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in.