To clarify, I'm not running the IVR. I have a TDM T1 that comes in to an AudioCodes Mediant 1000 (SIP Gateway) which goes to a FreeSWITCH machine. I receive calls coming in off the T1 which goes through my Mediant 1000 which goes to my FreeSWITCH machine which makes an outbound call back through the Mediant 1000 to an IVR (bridging the inbound and outbound calls). I have (supposedly) configured the AudioCodes Mediant 1000 to pass the DTMF in-band, because I want to minimize the amount of modifications I make to the audio stream going through my system. I also want to be able to log when DTMF events occur for analysis purposes. If I do not have start_dtmf, then FreeSWITCH does not show me any DTMF in the logs, but when I have it on, it will.<br>
<br>Here's a DTMF event in my FreeSWITCH logs:<br>(I changed the debug message to a notice and added the callId and the nano time of the event)<br>2009-05-26 16:02:05 [NOTICE] switch_ivr_async.c:996 inband_dtmf_callback() 348323 <a href="mailto:61182225861200042042@10.1.10.10">61182225861200042042@10.1.10.10</a> DTMF DETECTED: 5<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1322 do_2833() Send start packet for [5] ts=1217893935 dur=160/160/2000 seq=55199<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=320/320/2000 seq=55200<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=480/480/2000 seq=55201<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=640/640/2000 seq=55202<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=800/800/2000 seq=55203<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=960/960/2000 seq=55204<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1120/1120/2000 seq=55205<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1280/1280/2000 seq=55206<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1440/1440/2000 seq=55207<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1600/1600/2000 seq=55208<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1760/1760/2000 seq=55209<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send middle packet for [5] ts=1217893935 dur=1920/1920/2000 seq=55210<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send end packet for [5] ts=1217893935 dur=2080/2080/2000 seq=55211<br>2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send end packet for [5] ts=1217893935 dur=2080/2080/2000 seq=55212<br>
2009-05-26 16:02:05 [DEBUG] switch_rtp.c:1258 do_2833() Send end packet for [5] ts=1217893935 dur=2080/2080/2000 seq=55213<br><br>Does the fact that switch_rtp is sending packets mean that FreeSWITCH is sending out-of-band DTMF as well as recognizing the in-band?<br>
<br>Thanks for your quick replies, hopefully this will make my issue clearer.<br><br>-Drew<br><br><div class="gmail_quote">On Wed, May 27, 2009 at 10:22 AM, Milena <span dir="ltr"><<a href="mailto:testeador01@gmail.com">testeador01@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Check the freeswitch log when the dtmf are being received, most likely your device is sending them both as Dave says, maybe the telephone you're dialing with sends it both inband and rtp. What does the log says?<br>
<br>
<div class="gmail_quote">2009/5/26 Drew Ozier <span dir="ltr"><<a href="mailto:drew.ozier@gmail.com" target="_blank">drew.ozier@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="im">
I've got a configuration where I receive inbound calls and dial out to a pre-determined 800-number based on the DNIS of the call. I set <action application="start_dtmf"/> and have everything set up so that DTMF only comes to me via inband. When I'm providing DTMF data to the IVR, it will recognize a single keypress as a double-tap. My FreeSWITCH logs only contain one DTMF entry, but when I listen to the receiving end of the call, I can hear a hiccup in the DTMF tone that is getting played. When I do not use 'start_dtmf', this problem goes away. I need inband DTMF detection, but I can't have it messing up the audio stream. Any thoughts?<br>
<font color="#888888">
<br>-Drew Ozier<br>
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