Re: [hylafax-users] Some users don't get all scan lines

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2003.09.03 10:27 Michael Evans wrote:

> The log from the fax sent to the HP is attached. There are many 
> "partial page" signals in it, so maybe the newer ECM patch you're 
> offering would help. Could you send it or upload it, please?

The reason there was an error with the HP is because the transmission 
of parts of the same image block had been attempted 4 times at 2400 
baud without any attempt being accepted completely, although there were 
improvements each time (each PPR requested fewer frames to be resent).

I've uploaded the new version.  It should allow the transmission to 
complete to the HP.

From the log it appears that you've got serious line trouble... either 
that or you run these lines or faxes through/behind a noisy PBX.  Even 
if you were to try a different modem I don't think you'd get anywhere.  
Either the noise needs to be cleaned up or you'll have to rely on ECM 
to compensate.

So, although ECM should allow faxes to complete with good quality, 
they're probably taking *much* longer than they would if the lines were 
less noisy.  This is probably true of your fax machines 
(machine-to-machine faxes) also, depending on where the noise is coming 
from and if it affects them.

Lee.

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