A telecommunications device for the deaf (TDD) is a teleprinter, an electronic device for text communication over a telephone line, that is designed for use by persons with hearing or speech difficulties. Other names for the device include teletypewriter (TTY), textphone (common in Europe), and minicom (United Kingdom).

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 over the phone lines. A TDD operates in a similar way, but is a much smaller desktop machine.

A telecommunications device for the deaf (TDD), also known as a text telephone to telephone typewriter (TTY), can give these individuals the ability to talk with hearing friends and relatives, work effectively in the business world and make use of 800 numbers and other phone services.

2024年10月6日 · TTY stands for “teletypewriter.” It was initially developed for people with hearing or speech difficulties to communicate over traditional telephone networks. TTY devices translate typed text...

A teletypewriter (TTY) and telecommunications device for the Deaf (TDD) are both types of assistive technology. TTY and TDD are often used to refer to the same type of device. TTY is more commonly used now, since it isn’t limited to Deaf individuals.

The 711 dialing feature is now available nationwide to access non-Internet-based relay services such as TTY relay services, speech-to-speech (STS) relay services, and voice carry over (VCO) TTY, and hearing carry over (HCO) TTY relay services.

Yes. The TTY (TeleTYpe), TDD (Telecommunications Device for the Deaf), and TT (Text Telephone) acronyms are used interchangeably to refer to any type of text-based telecommunications equipment used by a person who does not have enough functional hearing to understand speech, even with amplification.

Telecommunications Devices for the Deaf (TDD), also known as teletypewriters (TTY), have been pivotal in bridging this gap. This article delves into the origins, evolution, and current state of these devices, highlighting their impact on the deaf community and the telecommunications landscape.

Introduced in 1964, a keyboard terminal with printer or screen output contains a modem for transmission over a standard analog phone line. If a recipient does not have a corresponding terminal,...

TTY and TDD work in conjunction--there is no distinguishing difference. What is TDD? TDD, or Telecommunications Device for the Deaf, is a software program that enables deaf or mute individuals to communicate over the telephone with TTY devices.