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Re: RTN Problem



At 15:54 01/12/98 +0100, Uli wrote:
>Hi,
>
>some time ago there was here a thread about a problem with 
>RTN and that HylaFAX does not lower the transmission speed
>after receiving a RTN. As i remember, someone has announce 
>a patch against it.
>

No, I don't think there was an actual patch. In the mailing-list
the subject of RTN must have a top 10 spot in the 'HylaFAX Review
of the Year', but most relevant is a thread between Robert Coluqhoun
and David Wolley around the 4 Aug 98. 

Then, on the 11 Aug 98, David Weiss said :

>5. If HylaFAX can be persuaded to transmit at 2400 b/s, rather than
>9600, the encoding error sometimes disappears, and so too, do the RTNs.
>The difficulty here is in persuading HylaFAX to use 2400 for certain
>targets. This is a non-trivial exercise. None of the techniques
>described in the documentation (sendfax -B, destctrls) actually
>functioned (for me) as advertised. Of course, this could be due to my
>ignorance, lack of experience etc, and so I welcome correction.
>However I tried everything I could think of for several days with
>limited success. The _only_ approach that worked, required hacking of
>FaxMachineInfo.c++ to ignore the "info" files, so that the -B option
>to sendfax, actually had an effect. 
>

Further info from David enabled Robert to come up with the tagline 
patch, which *may* reduce the incidence of RTN responses on the first
page, but doesn't alter transmission rates, etc.

Hope this is of some help,
Phil Watkinson,
Boston, UK.          - Bet it's a bit nippy in Dieburg today?



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