<div dir="ltr">Just to add to my previous comment - it was because with our previous set-up where DTMF digits at the end of the dial string were not audible that I assumed that it must be Freeswitch that was generating a tone for each received DTMF - may be this assumption is wrong. <div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, 7 Jul 2017 at 21:07 Mark Melling <<a href="mailto:mark.melling@savageminds.com">mark.melling@savageminds.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">> <span style="color:rgb(33,33,33)">So what your are looking it's to do some kind of callthrought, but don't whant the caller to hear the DTMF</span><div><span style="color:rgb(33,33,33)"><br></span></div></div><div dir="ltr"><div><span style="color:rgb(33,33,33)">This is what I'm trying to achieve. And to be clear the call is initiated from an Android phone. The DTMF digits are part of the dial string of the form </span></div><div><span style="color:rgb(33,33,33)"><br></span></div><div><font color="#212121"><phone-number>,<some-digits>#</font></div><div><br></div><div>I'm not disagreeing with your comment that DTMF tones are audible at the smartphone end. I may have been approaching this problem in the wrong way, but what I do know is that with the previous system - which wasn't using Freeswitch, but Twilio we could successfully make calls from an android device and the DTMF tones were not audible at the android end.</div><div><br></div><div>So what is going on that makes that possible?</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, 7 Jul 2017 at 20:43 Raúl Alexis Betancor Santana <<a href="mailto:rbetancor@gmail.com" target="_blank">rbetancor@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">So what your are looking it's to do some kind of callthrought, but don't whant the caller to hear the DTMF ... regardless of if you could, on FS, mute the DTMF or not ... if the caller phone plays them, and most of smartphones DOES, they will be able to hear the tones.</div><div class="gmail_extra"><br><div class="gmail_quote">2017-07-07 20:17 GMT+01:00 Mark Melling <span dir="ltr"><<a href="mailto:mark.melling@savageminds.com" target="_blank">mark.melling@savageminds.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Yes, I mean that the caller who is pressing the buttons (although in this case the button presses are automated as they are included at the end of the original dial string). <div><br></div><div>The reason why I believe this is possible is that in a different set-up, not using Freeswitch (rather using Twilio) we were successfully able to transmit DTMFs (as part of dial string) and they were not audible to the caller.</div><div><br></div><div>I'm just wondering as I type this, if the fact that they were part of the dial string is significant?</div><div><br></div><div> </div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, 7 Jul 2017 at 20:05 Guillermo Ruiz Camauer <<a href="mailto:grcamauer@gmail.com" target="_blank">grcamauer@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Do you mead that the user ON THE OTHER END doesn't hear anything? Because I believe most devices will generate their own audible tone on the generating end.</div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jul 7, 2017 at 3:42 PM, Mark Melling <span dir="ltr"><<a href="mailto:mark.melling@savageminds.com" target="_blank">mark.melling@savageminds.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thanks for that, that is useful info.<div><br></div><div>I posted a separate, but related question that you might have some suggestions about. </div><div><br></div><div>Namely I'm assuming that for RFC-2833 DTMFs Freeswitch is generating a corresponding tone for the received DTMF (I don't know if this is actually true or not). If this is the case whether it is possible to disable this tone so that basically a user pressing a key (that generates a DTMF) doesn't hear anything.</div><div><br></div><div>Thanks</div><div><br></div></div><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602HOEnZb"><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602h5"><br><div class="gmail_quote"><div dir="ltr">On Fri, 7 Jul 2017 at 19:22 Guillermo Ruiz Camauer <<a href="mailto:grcamauer@gmail.com" target="_blank">grcamauer@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">RFC-2833 sends the DTMF as a special packet within the RTP stream.<div>SIP-INFO sends it in the SIP dialog.</div><div>INBAND DTMF come as a series of packets within the RTP stream that must be analyzed to find the frequencies corresponding to the different DTMF. I believe spandsp takes cares of this.</div><div><br></div><div>Guillermo</div></div><div class="gmail_extra"></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jul 7, 2017 at 1:14 PM, Mark Melling <span dir="ltr"><<a href="mailto:mark.melling@savageminds.com" target="_blank">mark.melling@savageminds.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thanks Brian.<div><br></div></div><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602m_-5599243065706541284m_271870808530170329HOEnZb"><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602m_-5599243065706541284m_271870808530170329h5"><br><div class="gmail_quote"><div dir="ltr">On Fri, 7 Jul 2017 at 16:51 Brian : <<a href="mailto:brians@iptel.co" target="_blank">brians@iptel.co</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I believe thats 2833<br>
<br>
>From the source:<br>
<br>
switch(dtmf->source) {<br>
<br>
case SWITCH_DTMF_INBAND_AUDIO: /* From audio */<br>
<br>
dtmf_source_str = "INBAND_AUDIO";<br>
<br>
break;<br>
<br>
case SWITCH_DTMF_RTP: /*<br>
>From RTP as a telephone event */<br>
<br>
dtmf_source_str = "RTP";<br>
<br>
break;<br>
<br>
case SWITCH_DTMF_ENDPOINT: /*<br>
>From endpoint signaling */<br>
<br>
dtmf_source_str = "ENDPOINT";<br>
<br>
break;<br>
<br>
case SWITCH_DTMF_APP: /*<br>
Injected by application */<br>
<br>
dtmf_source_str = "APP";<br>
<br>
break;<br>
<br>
case SWITCH_DTMF_UNKNOWN: /*<br>
Unknown source */<br>
<br>
default:<br>
<br>
dtmf_source_str = "UNKNOWN";<br>
<br>
break;<br>
<br>
On Fri, Jul 7, 2017 at 4:28 PM, Mark Melling<br>
<<a href="mailto:mark.melling@savageminds.com" target="_blank">mark.melling@savageminds.com</a>> wrote:<br>
> Thanks Brian,<br>
><br>
> Having done that it says<br>
><br>
> DTMF-Source: RTP<br>
><br>
> So I assume that means that the DTMF is in-band, is that right?<br>
><br>
><br>
><br>
> On Fri, 7 Jul 2017 at 16:19 Brian : <<a href="mailto:brians@iptel.co" target="_blank">brians@iptel.co</a>> wrote:<br>
>><br>
>> Hi Mark<br>
>><br>
>> From fs_cli<br>
>><br>
>> /event plain dtmf<br>
>><br>
>> This will give you console logging of every DTMF event that FS handles<br>
>> and I'm pretty sure will give you the DTMF source.<br>
>><br>
>><br>
>><br>
>> On Fri, Jul 7, 2017 at 10:44 AM, Mark Melling<br>
>> <<a href="mailto:mark.melling@savageminds.com" target="_blank">mark.melling@savageminds.com</a>> wrote:<br>
>> > Hi,<br>
>> ><br>
>> > How can you determine if Freeswitch is receiving DTMFs in-band or<br>
>> > out-of-band?<br>
>> ><br>
>> > I'm not entirely clear on terminology here, but is out-of-band the same<br>
>> > as<br>
>> > rfc 2833?<br>
>> ><br>
>> > Thanks<br>
>> ><br>
>> > Mark<br>
>> ><br>
>> ><br>
>> ><br>
>> > _________________________________________________________________________<br>
>> > Professional FreeSWITCH Consulting Services:<br>
>> > <a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
>> > <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>> ><br>
>> > Official FreeSWITCH Sites<br>
>> > <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>> > <a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
>> > <a href="http://www.cluecon.com" rel="noreferrer" target="_blank">http://www.cluecon.com</a><br>
>> ><br>
>> > FreeSWITCH-users mailing list<br>
>> > <a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br>
>> > <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>> > UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>> > <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>> _________________________________________________________________________<br>
>> Professional FreeSWITCH Consulting Services:<br>
>> <a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
>> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>> <a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
>> <a href="http://www.cluecon.com" rel="noreferrer" target="_blank">http://www.cluecon.com</a><br>
>><br>
>> FreeSWITCH-users mailing list<br>
>> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br>
>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
><br>
><br>
> _________________________________________________________________________<br>
> Professional FreeSWITCH Consulting Services:<br>
> <a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
><br>
> Official FreeSWITCH Sites<br>
> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
> <a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
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><br>
> FreeSWITCH-users mailing list<br>
> <a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br>
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> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<br>
_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
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<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a></blockquote></div>
</div></div><br>_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
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<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
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<a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br>
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<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br><br clear="all"><div><br></div></div><div class="gmail_extra">-- <br><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602m_-5599243065706541284m_271870808530170329gmail_signature" data-smartmail="gmail_signature">Guillermo Ruiz Camauer<br></div>
</div>
_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
Official FreeSWITCH Sites<br>
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<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a></blockquote></div>
</div></div><br>_________________________________________________________________________<br>
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<br>
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<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="m_3767778269344340424m_7084685613953766424m_-4134649077237480793m_-1000876291525019602gmail_signature" data-smartmail="gmail_signature">Guillermo Ruiz Camauer<br></div>
</div>
_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
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_________________________________________________________________________<br>
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