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A typical relay service conversation. A telecommunications relay service, also known as TRS, relay service, or IP-relay, or Web-based relay service, is an operator service that allows people who are deaf, hard of hearing, deafblind, or have a speech disorder to place calls to standard telephone users via a keyboard or assistive device.
Other names for the device include teletypewriter (TTY), textphone (common in Europe), and minicom (United Kingdom). The typical TDD is a device about the size of a typewriter or laptop computer with a QWERTY keyboard and small screen that uses an LED , LCD , or VFD screen to display typed text electronically.
Beam Messenger, a mobile app offering real-time text messaging, was released in 2014. [3] Certain real-time text applications have a feature that allows the real-time text to be "turned off", for temporary purposes. This allows the sender to pre-compose the message as a standard IM or text message before transmitting.
A video relay service (VRS), also sometimes known as a video interpreting service (VIS), is a video telecommunication service that allows deaf, hard-of-hearing, and speech-impaired (D-HOH-SI) individuals to communicate over video telephones and similar technologies with hearing people in real-time, via a sign language interpreter.
Teletype teleprinters in use in England during World War II Example of teleprinter art: a portrait of Dag Hammarskjöld, 1962. A teleprinter (teletypewriter, teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations.
The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).
Samsung TV Plus is a free ad-supported streaming television (FAST) service owned by Samsung Electronics that was introduced in 2015. The platform was designed to provide free, live streaming content for users with Samsung devices.
TTY may refer to: Communications and technology. Teleprinter or teletypewriter (TTY), an electromechanical typewriter paired with a communication channel