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Text Telephone (TT)

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  1. VOICE / TDD POWERPHONE The Voice / TDD Powerphone is a telecommunications device designed to work like a standard telephone/answering machine with the additional capability of recording both voice and TTY (teletypewriter) calls for persons with hearing disabilities. It features Yes/No indicators designed to enable the user to communicate over the phone by prompting the calling party to use "yes" or "no" answers (if the other party does not have TTD); this is executed by using the * (star) and ## (pound) displays. A 91...[More Information]

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    • AbleData, 8630 Fenton Street, Suite 930, Silver Spring, MD 20910. 1-800-227-0216.
    Maintained for the National Institute on Disability and Rehabilitation Research of the U.S. Dept. of Education
    by ICF Macro under Contract No. ED-04-CO-0018/0007.

    The records in AbleData are provided for information purposes only. Neither the U.S. Department of Education nor ICF Macro has examined, reviewed, or tested any product, device, or information contained in AbleData. The Department and ICF Macro make no endorsement, representation, or warranty express or implied as to any product, device, or information set forth in AbleData. The views expressed on this site do not necessarily represent the opinions of the Department of Education, the National Institute on Disability and Rehabilitation Research, or ICF Macro.