[Freeswitch-users] T38 Re-INVITE: FS responds 100 Trying, nothing further happens

jay binks jaybinks at gmail.com
Thu May 2 07:00:36 MSD 2013


I have tested this with current versions...

ok so unlike many others... I find G711 gives better faxing than T.38
( for many reasons... but mainly because all my network is fibre and I
control a lot of it myself ).

I have one carrier that that insists on doing fax tone detection in their
SBC.
the call comes in G711... they detect fax tones then re-invite T.38.

I want to knock the T.38 back, but cant..
if I disable T.38  we get the 100 Trying... then nothing further.
only way I can inter-op is to use t38.




On 2 May 2013 12:23, Brian West <brian at freeswitch.org> wrote:

> what is the entire call flow?  And what rev are you using...
> fax_enable_t38_request=true will make us send a re-invite.
>
> On May 1, 2013, at 7:07 PM, jay binks <jaybinks at gmail.com> wrote:
>
> > yup I saw that....   and I thought I already knew the answer to that
> question.
> > but im still yet to find a way to specifically knock back a T38
> re-invite :(
> >
> > ( FS does this 100 trying... but nothing further .. )
> >
> >
>
>
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-- 
Sincerely

Jay
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