<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"><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="HOEnZb"><div class="h5"><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>
>> > ______________________________<wbr>______________________________<wbr>_____________<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.<wbr>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.<wbr>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.<wbr>freeswitch.org</a><br>
>> > <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
>> > UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
>> > <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>> ______________________________<wbr>______________________________<wbr>_____________<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.<wbr>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.<wbr>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.<wbr>freeswitch.org</a><br>
>> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
>> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
><br>
><br>
> ______________________________<wbr>______________________________<wbr>_____________<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.<wbr>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.<wbr>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.<wbr>freeswitch.org</a><br>
> <a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
> UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<br>
______________________________<wbr>______________________________<wbr>_____________<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.<wbr>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.<wbr>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.<wbr>freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a></blockquote></div>
</div></div><br>______________________________<wbr>______________________________<wbr>_____________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.<wbr>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.<wbr>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">FreeSWITCH-users@lists.<wbr>freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
<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="gmail_signature" data-smartmail="gmail_signature">Guillermo Ruiz Camauer<br></div>
</div>