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On Aug 22, 2012, at 15:28, Gunnar Hellström wrote:


> I do not think expansion of TTY to Teletypewriter is a good idea. That tends 
> to mean the other use of the term TTY, the device that was often used as a 
> computer operator console terminal a long time ago and still lives in 
> language around such usage.
> 
> So TTY in this usage is more " A term used in North America for text 
> telephones, i.e. devices used for text and audio communication in the PSTN 
> mainly with deaf and hard-of-hearing persons."
> 
> Text telephones or textphones is the international term used by ITU-T ( E.g. 
> V.18 and F.703 )  3GPP ( e.g. TS 22.226 )
> IETF ( e.g. RFC 4734 ).
> Various countries in Europe have different names for the concept in their 
> national languages, so text telephone is not specifically European.
> 
> I hope it is clear by combining TTY with text telephone what it referred to, 
> so that we do not need to drag in a long descriptions of a peripheral item 
> into the spec.
> 

If you use an acronym, you MUST expand it.  If Teletypewriter is not the 
correct expansion for TTY, then provide the correct one and include an 
authoritative citation.


- - m&m

Matthew A. Miller
<http://goo.gl/LK55L>

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