The Americans With Disabilities Act (ADA) encourages
employers to make reasonable accommodations for employees
with disabilities, including employees who are hearing-
impaired. Hearing-impaired people who are unable to
communicate by voice over a telephone typically use a teletypewriter.
Business Telephone Systems
The DEFINITY AUDIX system offers the Telecommunications
Device for the Deaf (TDD) announcement set for subscribers
who use TTYs. The Multilingual feature makes it possible to
provide the TDD announcement set on the same DEFINITY
AUDIX system as voice announcement sets, satisfying the
messaging needs of both groups of users with one system.
The TDD announcement set can
be installed on the DEFINITY
AUDIX system just like any other
The TDD announcement set and a
voiced announcement set can be
used together with the Multilingual
feature, but separate mailboxes are recommended for users who
interact with the system by both
voice and TTY.
TTY users have access to most
DEFINITY AUDIX capabilities
except speed up/slow down and
step ahead/step back.
Vocally recorded messages,
announcements, and names do
not display on a TTY.
TTYs that do not generate
touch-tone signals cannot issue
commands to the system. These
TTYs must be used in conjunction
with a touch-tone telephone.
Use of the TDD announcement set enables employers to comply with the
Americans With Disabilities Act (ADA) by making reasonable accommodations
for hearing-impaired employees. (Cost-conscious employers should note that a
single Multilingual DEFINITY AUDIX system is able to accommodate the needs of
voice-mail users who require a spoken announcement set and hearing-impaired
users who require a TDD announcement set.) All that a subscriber or caller
needs is a standard stand-alone, acoustically-coupled TTY along with a
touch-tone telephone. Both the touch-tone keypad and the TTY keyboard are
needed for TDD communications with the DEFINITY AUDIX system.
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