31756 Views 2 Replies Latest reply: Feb 23, 2012 2:14 PM by Lawrence Finch
Currently Being ModeratedFeb 23, 2012 2:13 PM (in response to Belladuey)
Try searching google, you'll find your answer pretty quickly:)
( ), also known as Text Telephone Device or for the Deaf (TDD), is a special device required at both ends of the conversation that enables people who are deaf, hard of hearing, or speech-impaired to use the telephone to communicate. TTY works by allowing people to type messages back and forth to one another instead of talking and listening.