[Freeswitch-users] Freetdm DTMF

[Shane Harrison]

Thanks for the thoughts.  As I said, I am already setting it to both legs -
I will try simply trying one leg but am sceptical :-)

I also mentioned that I called the start_dtmf just before calling the read
so unless I am doing something wrong here.....  I'll try and post the XML
tonight when I get home.  Oh and it is an FXS card not an FXO of course
since it has a phone plugged into it.

The question still remains though, why is the in-band DTMF detection
working for the bind_meta_app digit detection but not after that?

Cheers
Shane

On Thu, May 10, 2012 at 12:28 PM, curriegrad2004
<curriegrad2004 at gmail.com>wrote:

> and crap, since I wasn't even reading anything here, on the subsequent
> transfers from your FXO card, enable the in-band DTMF detector that FS
> has. The details on the in-band DTMF detector is here:
>
> http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf
>
> But use this with caution, if there is a DTMF detector on the FXO card
> itself, make sure you disable it before using it.
>
> On Wed, May 9, 2012 at 5:26 PM, curriegrad2004 <curriegrad2004 at gmail.com>
> wrote:
> > apologies for telling you the wrong thing. I was replying you from my
> > phone btw :P
> >
> > Yeah, bind_meta_app is the app you would use, but try changing it to
> > point to the b-leg, not the a-leg
> >
> > On Wed, May 9, 2012 at 4:12 PM, Shane Harrison
> > <shane.harrison at paragon.co.nz> wrote:
> >> Thanks.  I am currently using bind_meta_app (set to both legs) already
> >> rather than bind_digits.  I'll give bind_digits a shot and see if it
> behaves
> >> differently.
> >>
> >> Note that I do detect the initial *3 digits and because bind_meta_app is
> >> both legs, this is successful no matter which direction the call is
> setup
> >> from.  However once the dialplan moves to the extension the *3 is bound
> to,
> >> digits are no longer received.
> >>
> >> The worrying thing for me is that ftdm_io.c doesn't even write to the
> log
> >> that it has received them (nor freetdm above that of course which is
> >> understandable) and I am surprised that the read() influences that
> since it
> >> works prior on the *3 digits.
> >>
> >> Cheers
> >> Shane
> >>
> >>
> >>
> >> On Thu, May 10, 2012 at 10:22 AM, curriegrad2004 <
> curriegrad2004 at gmail.com>
> >> wrote:
> >>>
> >>> I'm guessing the bind digits in your analog card was set to listen for
> >>> this sequence on the a-leg given if the call was being routed from the
> >>> IP side to the analog side.
> >>>
> >>> Try changing that to listen on the b-leg.
> >>>
> >>> On 5/9/12, Shane Harrison <shane at longwhitecloud.com> wrote:
> >>> > Hi All,
> >>> >
> >>> > Have a situation where I have a call between a SIP phone and a
> FreeTDM
> >>> > channel.   Pushing *3 on the analog FreeTDM phone is detected and
> this
> >>> > is
> >>> > bound to a dialplan extension (attended transfer) that does a read():
> >>> > <action application="read" data="3 3
> 'tone_stream://%(10000,0,350,440)'
> >>> > digits 30000 #"/>
> >>> >
> >>> > However pushing further digits on the analog phone ie. extension
> number
> >>> > of
> >>> > phone we wish to do an attended transfer to , doesn't result in the
> DTMF
> >>> > being detected.  Note that this all works the other way around ie.
> using
> >>> > the SIP phone.
> >>> >
> >>> > When the *3 digits are pushed on the analog phone I see the logs
> report:
> >>> >
> >>> >  ftdm_io.c:3463 [s2c1][1:4] Queuing DTMF * (debug = 0)
> >>> > mod_freetdm.c:702 Queuing DTMF [*] in channel FreeTDM/2:1/
> >>> >
> >>> > ftdm_io.c:3463 [s2c1][1:4] Queuing DTMF 4 (debug = 0)
> >>> >
> >>> > mod_freetdm.c:702 Queuing DTMF [4] in channel FreeTDM/2:1/
> >>> >
> >>> > When the further keys are pushed ftdm_io reports nothing.
> >>> >
> >>> > I have tried inserting a start_dtmf before the read() but it had no
> >>> > effect.
> >>> > Any thoughts as to why DTMF isn't being seen from the analog phone
> after
> >>> > the read()?
> >>> >
> >>> > Cheers
> >>> > Shane
> >>> >
> >>>
> >>>
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> >>
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