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

[Markus Lindenberg]

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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