[Asterisk-Users] ToIP (TDD over IP)

[Steve Underwood]

Tilghman Lesher wrote:

>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
>  
>
Does anyone use this any more? All the deaf people here carry 
cellphones, and use SMS to communicate.

Regards,
Steve