> >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. _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users