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 into electronic signals sent across the telephone network and retranslated to text at the other end.

What does the abbreviation TTY stand for? Meaning: teletypewriter.

TTY is an abbreviation of the word teletypewriter. The TTY is a communication device utilized by people who are deaf, have a hearing impairment, or have a severe speech impairment. What Is the Origin of the Teletypewriter?