TTY telephones.

TTY - Teletypewriter:
Sends typed messages across phone lines

Relay Service:

Operator is intermediary

Free for local calls

Standard long-distance charges apply

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Let’s consider for a moment the assistive devices in your operation that may help with the provision of goods or services to customers with disabilities. The standard says that you must be trained on how to use them. Ideally, you should have instruction manuals handy, perhaps a summary instruction sheet.

One of the more common assistive devices is a TTY line.

TTY stands for Teletypewriter, a type of telephone that allows callers to send typed messages to each other across phone lines.

TTY users can directly call other TTY numbers or they can connect with a Relay Service. A standard phone user can also place a call to a TTY user through the Relay operator. You give the operator your name, the name of the person you are calling, and the number you wish to reach. Using the Relay Service locally is free. For long-distance, any standard long-distance charges would apply.

A handy "how-to" for both TTY and Relay System calls is provided in the Resources Section.