Teletypewriters and Telecommunication Devices for the Deaf



This content discusses federal requirements of public safety telecommunications according to the Rehabilitations Act of 1973 and the Americans with Disabilities Act (ADA). It prepares the telecommunicator to process calls requiring Teletypewriters (TTYs), relay services, and American Sign Language (ASL). Included in this content are the steps of recognizing, identifying, and processing TTY calls, TTY equipment features, as well as code formats and abbreviations for exchanging information.


IDENTIFY federal law as it pertains to public safety telecommunications and services provided to disabled Americans.

IDENTIFY terms and definitions pertaining to teletypewriter (TTY) call-taking and relay

IDENTIFY the three steps of a TTY call—recognizing, identifying, and processing.

IDENTIFY processing an American Sign Language (ASL) emergency call.