However
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At the present time these non-TTY methods cannot be used to call 9-1-1
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AND it is unlikely that NON-TTY methods will be supported by most 9-1-1 systems for some time to come
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THERE IS A NEED TO SUPPORT NATIVE TTY SEND RECEIVE CAPABILITY FROM CELL (and IP) PHONES
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Receive only TTY is very valuable to people who are hard of hearing or who are deaf but can speak - and can be done on any cell phone.
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Send and Receive TTY can be done on some phones with text generation capability with no hardware changes and could be done on all with next generation chips (or last generation if planned for).
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