Re: EDT [European Deaf Telephone] and EDTN are the TDD [Telecommunications Device for the Deaf] protocols used in Switzerland. W...

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From: Blumstein
Date: Tue, 28 Aug 2007 20:38

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On Aug 27, 2:03 pm, Radium <gluceg...@gmail.com> wrote:
> Hi:
>
> I've posted this before but never got a rational scientific response.
> Sorry for the repetition and any annoyance it causes but I am really
> interested in this.

Glad you reposted as I'm the new kid in town.

All of the various teletext protocols are contained in ITU standard V.
18.
You can get a free copy at:
http://www.itu.int/rec/T-REC-V.18-200011-I/en

Enjoy,
Paul

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From:  "\Blumstein" <pbandj@pobox.com>
Newsgroups: sci.electronics.basics,alt.support.hearing-loss,sci.electronics.design,comp.dcom.telecom.tech,aus.comms
Subject: Re: EDT [European Deaf Telephone] and EDTN are the TDD [Telecommunications Device for the Deaf] protocols used in Switzerland. Where can I find numbers/tones?
Date: Tue, 28 Aug 2007 13:38:27 -0700
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