Thanks very much for the reply Joshua! So I guess that setting dtmfmode=auto would be the safest choice in order to strip out the DTMFs from the recording, right? Cheers! Patrick Wakano
On Tue, 1 May 2018, 19:36 Joshua Colp, <[email protected]> wrote: > On Mon, Apr 30, 2018, at 11:23 PM, Patrick Wakano wrote: > > Hello list, > > Hope you are all doing fine! > > > > I have stumbled over some piece of dialplan code in which apparently they > > were trying to avoid recording the DTMF tones in the wav file. It is > really > > messy and I am not sure if this really works. So after a bit of research > I > > found this comment ( > > https://community.asterisk.org/t/asterisk-dtmf-record/65040) in which > it is > > said: > > > > *"Asterisk strips the DTMF from the audio stream when configured for > > inband, so internal stuff can react to the DTMF and so the other side > does > > not hear the tone unless they are using inband (in which case it is > > regenerated)"* > > So my questions are, what are the cases in which Asterisk regenerates the > > DTMFs? Does it cause the recording to have the tone as well, or is it > only > > transmitted to the other leg without being generated to the recording > file? > > Also, what if one or both legs are RFC2833? From my tests the RFC2833 > > events never show up in the recording, but I just want to confirm that > this > > is always true. > > If properly configured then Asterisk will always strip and regenerate the > DTMF tone. You have to purposely misconfigure things to cause it to not get > stripped. IE: DTMF is actually inband but you configure it for RFC2833. > Since Asterisk wouldn't be listening to the audio stream, it would go right > through and get recorded. > > -- > Joshua Colp > Digium, Inc. | Senior Software Developer > 445 Jan Davis Drive NW - Huntsville, AL 35806 - US > Check us out at: www.digium.com & www.asterisk.org > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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