CaptionCall is one of the easiest captioned telephone services to set up. Their phone captioning service extends beyond the home and can be used on smartphones. As an essential ADA service, it is available to qualified customers at no cost.
Captel is a captioned telephone service for the hearing impaired. Users can see conversations in real-time on a large, fully-customizable telephone screen. To further help with calls, all phones amplify sound to be louder.