Answer:
c. used a Teletype or TDD machine for telephone calls
Explanation:
A video relay service (VRS) is a video telecommunication service which enables any individual with hearing disabilities or speech impairment to communicate over video telephones using American Sign Language (ASL).
Before video relay services were developed, people who use sign language used a Teletype (TTY) or Telecommunications Device for the Deaf (TDD) machine for telephone calls. The TTY or TTD enables individuals with disabilities or speech impairment to communicate with others with or without disabilities through the use of a keyboard.
Robert Weitbrecht invented the first Teletypewriter (TTY) in 1964.
The TTY or TTD is strictly text based while its modified version, VRS is video based.
We would need all the choices/options to give you the correct answer.
Ne dediğini bu?,<span>[it this what you said?]
other driver running off the field ambulance sirens why the composition of traffic on the need to give way</span>
Hi Jennifer,
Question:
What does combustible mean
Answer:
Combustible is a substance than be caught on fire really quickly and burn really easy.
Hope This Helps!