article_snippet: Zemedagegehu said a TTY device was useless
article_snippet: a TTY device types out English text
article_snippet: Zemedagegehu doesn't understand, and as a practical matter, Zemedagegehu said, no one in the deaf community still uses a TTY device.
article_snippet: the use of a TTY machine gets used, absolutely.
article_snippet: the use of a TTY machine's an accepted practice, and we've had great success with the use of a TTY machine,' Zemedagegehu said.