[Freeswitch-users] [OL]Re: best way to receive FAXs

[François Delawarde]

After extensive testing using decent SIP providers (with or without
T38), we have much better success with spandsp than hylafax. We even
have a better success rate compared to most combinations of ATA +
physical fax machine we tested!!

No tweaks needed, and using default values (use-ecm=true,
disable-v17=false).

Feature-wise it's not really comparable to a Hylafax solution, but with
a few scripts to manage queues and such, you can build a very nice
solution able to handle a huge fax volume!

Regards,
-- 
François Delawarde <fdelawarde at wirelessmundi.com>
Wireless Mundi S.L.

On Fri, 2014-07-11 at 15:13 +0000, bruce at sqls.net wrote:
>  
> Great, thanks for the idea! I'll definitely give this a try as well.
>  
> Also, great looking project :) I'll take a look at it as well. I've
> been wanting to learn more about golang too. I've used Hylafax in the
> past but I haven't used it lately - I probably should take another
> look at that as well. 
>  
>  
>  
> ------ Original Message ------
> From: "Markus Lindenberg" <markus.lindenberg at gmail.com>
> To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
> Sent: 7/11/2014 8:33:00 AM
> Subject: Re: [Freeswitch-users] [OL]Re: best way to receive FAXs
>  
> > 
> > 
> > On Fri, Jul 11, 2014 at 3:11 PM, <bruce at sqls.net> wrote:
> > 
> >         For received faxes I get a lot more failures then I would
> >         like however, close to 15%
> > 
> > 
> > I had some success with disabling T.38 for received calls. If i see
> > that negotiation failed multiple times or the fax aborts with errors
> > during page transmission, I save the callerid and disable T.38 when
> > the caller retries. Most cases that were not successful with T.38
> > worked fine with soft modem.
> > See https://github.com/gonicus/gofaxip#fallback-from-t38-to-spandsp-softmodem for details. 
> > 
> > 
> 
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