Sounds like he is describing the tty services which I think allot of phones have and carriers provide for speech impaired handicappped. I have never tried to use it but by its nature should allow you to type text to be translated to speech for a 3rd party to hear. The 6700 has these services but I have never played with them cuz I am not speech impaired in the same way I dont park in handicapped parking spots because I can walk just fine.
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