[Asterisk-Users] ToIP (TDD over IP)

Rich Adamson radamson at routers.com
Mon Dec 22 21:32:45 MST 2003

> >It's a specification for sending words over a normal telephone,
> >normally used by the deaf.  It resembles the old-style modems in
> >that the handset is interfaced with a microphone and speaker.
> >This allows TDD to be used with payphones, which do not have
> >an RJ-11 interface.
> >
> >
> Does anyone use this any more? All the deaf people here carry 
> cellphones, and use SMS to communicate.

We have a local company that contracts with several States to provide
TDD services, and they just implemented video & 323 to allow folks
to sign (visual TDD) over the Internet. Still a big deal.

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