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16 mayo 1964 año - Video Relay Service invented by Robert Weitbrecht

Descripción:

Video Relay Service is a form of Telecommunications Relay Service that enables people who use American Sign Language to communicate with voice telephone users through video equipment, rather than through typed text

Añadido al timeline:

ASL Timeline

ByLucas Copeland
4 abr 2019
0
0
649

fecha:

16 mayo 1964 año
Ahora mismo
~ 60 years ago
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