[Freeswitch-users] rxfax on b-leg

[Nandy Dagondon]

re pressing *1. it's the caller (A-party) who performs this. i agree tone
detection would be a better feature. however, having *1 as backup is also
nice.

On Mon, Jul 25, 2011 at 3:58 PM, <slash at nat-tele.com> wrote:

>  On Sat, 23 Jul 2011 21:35:53 +0800, Steve Underwood
>  <steveu at coppice.org> wrote:
> > On 07/22/2011 12:56 AM, slash at nat-tele.com wrote:
> >>   Hello!
> >>
> >>
> >>   I wonder if there is a way to make rxfax recieve fax on outgoing
> >> call?
> >>   The idea is that registered FS user dials out, than tone_detect is
> >> used
> >>   to detect fax tone and start rxfax. The difference is that rxfax
> >> should
> >>   be run on B-leg, instead of A-leg in incoming fax call scenario.
> >>
> >>   I've tried to make a test config with outgoing call, rxfax&
> >>   tone_detect, but when I dial out and remote user starts sending
> >> fax to
> >>   me, FS detects a tone correctly, starts rxfax, but on my leg
> >> (A-leg, i
> >>   hear fax tones) and B-leg (with real fax machine) is hanged up.
> >>
> >>   Are there are solutions to explain somehow to rxfax that it should
> >> be
> >>   run on B-leg, not on A-leg?
> >>
> >>   Thanks in advance!
> >>
> >>   With best regards,
> >>   Kirill.
> > If you use rxfax at the outgoing end of a call, mod_spandsp expects
> > to
> > get that FAX by the polling procedure (i.e. the one you use when you
> > dial into a FAX server to collect an information FAX from it). If you
> > want to freely act as a simple FAX transmitter or receiver in the
> > middle
> > of a call, the current module code may not properly allow for that.
> > As
> > someone else said, there are tricks related to call transfers which
> > can
> > be used to coax the fax instance into caller or answerer mode.
> > Spandsp
> > does pretty much everything the FAX spec allows. If there is demand
> > we
> > could provide access to more of that functionality.
> >
> > Steve
> >
>
>  The idea with manual call transfer is good, but it's hard to remember
>  that every time you should ask remote end to press *1 before starting
>  fax. It's much more
>  comfortable for everybody to be able use rxfax as a simple FAX
>  transmitter or
>  receiver in the middle of a call... There is a demand for that
>  functionality : )
>
>  With best regards,
>  Kirill.
>
>
> _______________________________________________
> Join us at ClueCon 2011, Aug 9-11, Chicago
> http://www.cluecon.com 877-7-4ACLUE
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20110726/7577b4cf/attachment-0001.html