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

[bruce at sqls.net]

Thanks for the information.  Would you be willing to share more 
information? Like the SIP providers you're using, type of internet 
connection, hardware, etc?  I would understand if you can't share 
everything.  But seeing that you seem to be having excellent success I 
would be very interested to know your setup in more detail - might give 
me some ideas on things to implement or improve.

I do like the combo of FreeSWITCH/SpanDSP  + Scripts.  I've really liked 
the lua scripting integration that lets me add console commands and 
stats info right into the fs_cli tool.  So, very encouraging news.



------ Original Message ------
From: "François Delawarde" <fdelawarde at wirelessmundi.com>
To: freeswitch-users at lists.freeswitch.org
Sent: 7/11/2014 10:53:00 AM
Subject: Re: [Freeswitch-users] [OL]Re: best way to receive FAXs

>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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