- 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 to
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next
Last modified: May 25, 2011