<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello, I’m having a small issue with DTMF, but it’s not related to Freeswitch but the endpoint where the DTMF is coming from.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I hope someone could clear this out for me.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The first debug example of DTMF received by Freeswitch seems too short, and also the application which is running on FS doesn’t recognize it.<o:p></o:p></p><p class=MsoNormal>The second debug example is much larger in output and also its duration. The application on FS does recognize it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The first example is coming from a machine which receives the call from ISDN and bridges the call to a SIP network.<o:p></o:p></p><p class=MsoNormal>The second example is pure SIP all the way.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does this mean the DTMF conversion between ISDN and VOIP is broken or misconfigured? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Example 1 (Bad):<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.766110 [DEBUG] switch_rtp.c:2798 Send start packet for [1] ts=2098368502 dur=160/160/800 seq=47884 lw=2098368502<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.786012 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2098368502 dur=320/320/800 seq=47885 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.806003 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2098368502 dur=480/480/800 seq=47886 lw=321<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.826107 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2098368502 dur=640/640/800 seq=47887 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.846100 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2098368502 dur=800/800/800 seq=47888 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.846100 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2098368502 dur=800/800/800 seq=47889 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.846100 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2098368502 dur=800/800/800 seq=47890 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:01:59.846100 [DEBUG] switch_rtp.c:2651 Queue digit delay of 40ms<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Example 2 (Good):<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.566019 [DEBUG] switch_rtp.c:2798 Send start packet for [1] ts=2128118524 dur=160/160/2400 seq=23409 lw=2128118524<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.566019 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=320/320/2400 seq=23410 lw=2128118684<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.586046 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=480/480/2400 seq=23411 lw=2128118844<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.586046 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=640/640/2400 seq=23412 lw=2128119004<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.606023 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=800/800/2400 seq=23413 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.606023 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=960/960/2400 seq=23414 lw=321<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.626017 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1120/1120/2400 seq=23415 lw=481<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.626017 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1280/1280/2400 seq=23416 lw=641<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.646020 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1440/1440/2400 seq=23417 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.646020 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1600/1600/2400 seq=23418 lw=321<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.666019 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1760/1760/2400 seq=23419 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.666019 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=1920/1920/2400 seq=23420 lw=321<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.686032 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=2080/2080/2400 seq=23421 lw=161<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.686032 [DEBUG] switch_rtp.c:2698 Send middle packet for [1] ts=2128118524 dur=2240/2240/2400 seq=23422 lw=321<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.706023 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2128118524 dur=2400/2400/2400 seq=23423 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.706023 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2128118524 dur=2400/2400/2400 seq=23424 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.706023 [DEBUG] switch_rtp.c:2698 Send end packet for [1] ts=2128118524 dur=2400/2400/2400 seq=23425 lw=1<o:p></o:p></p><p class=MsoNormal>2014-09-16 12:06:56.706023 [DEBUG] switch_rtp.c:2651 Queue digit delay of 40ms<o:p></o:p></p></div></body></html>