[Asterisk-Users] ToIP (TDD over IP)

[Tilghman Lesher]

On Monday 22 December 2003 10:12, Philipp von Klitzing wrote:
> Hi!
>
> > I'm also curious if anyone else is doing this or if anyone else
> > is using the Asterisk TDD support.
>
> Excuse my ignorance: What exactly is TDD? Is it US specific?

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.

-Tilghman