[Freeswitch-dev] DTMF events

Michael Collins msc at freeswitch.org
Wed Jan 21 13:41:14 PST 2009


Rob,
My bad, I replied to the wrong email thread. Please disregard.
-MC

On Wed, Jan 21, 2009 at 7:53 AM, Rob Charlton
<rob.charlton at savageminds.com> wrote:
> Yes, and yes. I see the DTMF events arriving when I make an incoming call.
>
> I put a breakpoint on switch_channel_dequeue_dtmf() which gets hit when
> I type digits after:
>
> - I originate a call to a sip extension
> - I receive a call from a sip extension
> - I receive a call from our sip trunk (from PSTN)
>
> The breakpoint doesn't get hit when I type digits after:
>
> - I originate a call via our sip trunk (to the PSTN)
>
> As regards this:
>  > In the latter case, I am still able to pick up DTMF digits if I use
>  > javascript session.collectInput() - so it appears as if the DTMF tones
>  > are being recognised by Freeswitch, but no events sent.
> I must have been dreaming - that isn't the case at all -
> session.collectInput doesn't get any digits at all.
>
> We use the same SIP trunk with asterisk and that _does_ pick up DTMF
> tones for outbound PSTN calls.
>
> Thanks
>
> Rob
>
>
> Anthony Minessale wrote:
>> Did you try enabling all events and making a single call to make sure
>> you are subscribed to the right event?
>>
>>
>> On Wed, Jan 21, 2009 at 6:38 AM, Rob Charlton
>> <rob.charlton at savageminds.com <mailto:rob.charlton at savageminds.com>>
>> wrote:
>>
>>     Hi,
>>
>>     I'm using mod_event_socket to listen for DTMF events. I have Nokia
>>     handsets registered as SIP clients over Wifi, as well as a SIP trunk
>>     providing incoming PSTN calls to a range of DDIs and outgoing PSTN
>>     calls.
>>
>>     If I make an incoming (PSTN or SIP) call and answer it, I always see
>>     DTMF events via mod_event_socket.
>>     If I make an outgoing call direct to a handset using SIP then I
>>     see DTMF
>>     events - e.g. originate user/1000 &park()
>>     If I make an outgoing call via PSTN then I don't see DTMF events e.g.
>>     originate sofia/gateway/mygateway/myphonenumber &park() or
>>     &javascript(myscript.js);
>>
>>     In the latter case, I am still able to pick up DTMF digits if I use
>>     javascript session.collectInput() - so it appears as if the DTMF tones
>>     are being recognised by Freeswitch, but no events sent.
>>
>>     What am I doing wrong?
>>
>>     Cheers
>>
>>     Rob
>>
>>     --
>>     Rob Charlton
>>     Savage Minds Ltd
>>
>
>
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