On Sat 08 Jun at 18:54 Dave Hatch (3:711/808{at}fidonet) wrote to Arthur Marsh:

 DH> Punch line - it doesn't happen with a VFC.  It happens with 
 DH> the v34, if and ONLY if, the calling tones are enabled.

Right, so you've tried disabling V.8 calling tones and found that your
connections work well without them.

 DH> Thinks.  If the blighters are fitting fax processors at 
 DH> trunk exchanges generally, v34 may be triggering 
 DH> malfunctions in a way that VFC doesn't, via the calling 
 DH> tones.  (Or perhaps a bit of video processor gear?  It DOES 
 DH> correlate to the date of starting serious pay TV installation.)

Acting on V.8 calling tones for fax processing is pretty brain-dead; I
could see about adding V.8 to TS 027 if this is the case.

You've reported this particular item to Frank Nitzsche?

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