Desktop Encyclopedia of Telecommunications, Second Edition

Title IV of the Americans with Disabilities Act (ADA) of 1990 requires the FCC to ensure that Telecommunications Relay Services (TRS) are available, to the extent possible and in the most efficient manner, to the more than 30 million Americans who have hearing or speech disabilities. TRS is a telephone transmission service that is designed to give people who have hearing or speech disabilities functionally equivalent access to the telephone network. TRS has been available on a uniform, nation-wide basis since July 26, 1993. The FCC sets minimum operational, functional, and technical standards for TRS, certifies state TRS programs, and oversees the administration of the interstate TRS cost-recovery fund. Currently, TRS provides access to the voice telephone network for more than 30 million Americans who have hearing and speech disabilities. The service is offered seven days a week, 24 hours a day in all 50 states, the District of Columbia, Puerto Rico, and the United States Virgin Islands.
TRS relies on Communications Assistants (CAs) to relay the content of calls between users of Text Telephones (TTYs) and users of traditional handsets (voice users). For example, a TTY user can telephone a voice user by calling a TRS provider (or relay center), where a CA will place the call to the voice user and relay the conversation by transcribing spoken content for the TTY user and reading text aloud for the voice user. To access TRS, the user dials the local...