[Asterisk-Users] Squished faxes with txfax

Josué Conti josueconti at gmail.com
Tue Mar 28 05:33:23 MST 2006


Scott, as you made to install the T38 in asterisk? To receive fax it is
normal? You use an ATA?
Greetings


2006/3/28, Scott Eisert <lists at scotteisert.com>:
>
> Hello,
>
> I have been getting squished faxes very reliably when sending through
> Asterisk
> using txfax.  It looks as if all horizontal white space has been removed.
> Interestingly it is perfectly repeatable, which seems to rule out timing
> related issues.
>
> My configuration is:
> Asterisk SVN-branch-1.2-r7337M
> spandsp-0.0.2pre21 ( though I have tried a 0.0.3 snapshot as well as
> 0.0.2pre25 )
> libtiff 3.8.0-3
>
> I am sending the fax out from Asterisk over a E1 to a Cisco 5350, which
> then
> is sending t.38 out to the terminating carrier.  The fax completes every
> attempt, so it doesn't appear to be IP related, and as I mentioned before,
> the fax on the receiving end always looks almost exactly the same.
>
> Also, if I send a fax with a vertical bar down one side the image is not
> squished nearly as much as something with just text (like an invoice)
> which
> will be about 1/3 the size of the original.
>
> I have also tried sending faxes using iaxmodem and HylaFax to Asterisk,
> which
> gave perfect results about 1 in 30 tries, with most failures resulting in
> incomplete page.
>
> Any suggestions will be greatly appreciated.
>
> - Scott
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