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Date: Mon, 19 May 1997 21:31:02 -0500
To: perryuan@public.sta.net.cn, tiff@fddi-sgi.engr.sgi.com
From: Charles Poynton <poynton@poynton.com>
Subject: Re: CCITT Rec. T4/T6 Documents
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Perry Yuan <perryuan@public.sta.net.cn> writes to the TIFF list,

> CCITT Recommendation T.4 document available at
> <http://www.igd.fhg.de/icib/telecom/ccitt/rec_t.4/gen.html> ...

First of all, the organization formerly known as CCITT has been renamed ITU-T. 

But more importantly, these documents are NOT available at the FHG site. FHG has only a sketchy summary of T.4 (for group 3 fax) and T.6 (for group 4 fax). The full documents are not (legally) available online. You can order a copy by having 29 and 20 Swiss francs (respectively) handy, and contacting

  <http://www.itu.int/itudoc/itu-t/rec/t/t4_23536.html>
  <http://www.itu.int/itudoc/itu-t/rec/t/t6_27606.html>

Hard copy, absent a few amendments made in 1994, 1995, and 1996, is likely to be found in the CCITT Blue Book (1988) at your local science or university library.

C.

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Charles Poynton 
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