Keywords: TTY, telephone typewriter
Sign Definition
As a Noun
1. A telecommunication device that allows a person who is unable to use a phone because of hearing loss to type a message using a telephone to another person who has the same device. English = telephone typewriter, TTY.
As a Verb or Adjective
1. To use a TTY; to call or ring someone on a TTY.
2. To dial a number.
