- 4 - the spoken message and transmits the text to the TTY. TRS is available in all States in the United States and, as required by law, is provided free of charge by the local telephone company. Normal charges do apply to long distance telephone calls. TRS is available 7 days per week, 24 hours per day. AdaCom Technology During the years at issue, AdaCom maintained a computer with TTY software to allow a hearing-impaired person to use a TTY to call the AdaCom computer. The computer then sent the text to a program subscriber who was required to have a computer with a standard modem. A program subscriber could also use his computer equipped with a modem to contact the AdaCom computer to initiate calls to a TTY user. The AdaCom computer was available 7 days per week, 24 hours per day. If a program subscriber was unavailable when an attempt was made by the AdaCom computer to contact him, a message was transmitted that could be retrieved at a later time. Once a communication was completed, the text of the communication was deleted from the AdaCom computer. Program subscribers were listed in the AdaCom yellow pages directory. The AdaCom yellow pages directory listed only the subscribers to the program and contained information on how toPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next
Last modified: May 25, 2011