<div dir="ltr"><div><div>Hi,<br><br></div><div>I&#39;ve listened to the DTMF events and I found the following behavior. <br><br></div>The DTMF events with &#39;DTMF-Conversion: native%3Ainband&#39; header are re-generated without the header, and only these re-generated DTMFs are received in the application. My problem is that these events are not re-generated consistently.<br>
<br></div><div>I&#39;ve attached the DTMF events I&#39;ve received. In this scenario, I pressed 392 and in the application only 2 is received. <br><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Fri, Jun 20, 2014 at 3:04 AM, Nagalenoj H. <span dir="ltr">&lt;<a href="mailto:nagalenoj@gmail.com" target="_blank">nagalenoj@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><p></p><p>Hi Christopher,</p><p>Thanks for your instant reply. <br></p><p>I&#39;ve tried without spandsp_start_dtmf now, and still the behavior is inconsistent. Here is a sample fs log.<br></p><p>1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:23.774526 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 3:1280<br>

20d28520-f7f8-11e3-ad68-b36c1aaf53e8 2014-06-19 22:26:24.354513 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 3:400<br>2014-06-19 22:26:24.354513 [CRIT] sb_main.js:428 -----digit: 3<br>1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:25.394516 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 8:1280<br>

1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:27.094516 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 0:1280<br>20d28520-f7f8-11e3-ad68-b36c1aaf53e8 2014-06-19 22:26:27.734531 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 0:400<br>

2014-06-19 22:26:27.734531 [CRIT] sb_main.js:428 -----digit: 0<br>2014-06-19 22:26:32.754515 [CRIT] sb_main.js:390 digits pressed after collect input: 30<br></p><p><br></p></div><div class="gmail_extra"><div><div class="h5">
<br><br><div class="gmail_quote">
On Fri, Jun 20, 2014 at 2:24 AM, Christopher Rienzo <span dir="ltr">&lt;<a href="mailto:cmrienzo@gmail.com" target="_blank">cmrienzo@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div dir="ltr">RTP RECV DTMF means the DTMF was received as a telephone-event (not inband audio).  You don&#39;t need to use the spandsp DTMF detector.<br><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">

<div><div>
On Thu, Jun 19, 2014 at 4:44 PM, Nagalenoj H. <span dir="ltr">&lt;<a href="mailto:nagalenoj@gmail.com" target="_blank">nagalenoj@gmail.com</a>&gt;</span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div><div>
<div dir="ltr"><div><div><div>Hi,<br><br></div>I am facing an issue with using Inband DTMFs. <br><br>Inband DTMFs are getting detected in switch_rtp.c but then it is not processed further by mod_spandsp_dsp.c. This issue is inconsistent, for few calls it is working and not working for few other calls.<br>



<br></div><div>For a working call, I&#39;m getting the logs as below,<br><br>2014-06-19 21:24:40.334513 [DEBUG] switch_ivr_play_say.c:1682 done playing file file_string:///usr/local/freeswitch/sounds/music/switch/2539_SB_welcome_switch.wav!/usr/local/freeswitch/sounds/music/switch/1sec_silence.wav!/usr/local/freeswitch/sounds/music/switch/SB_landing_IVR.wav<br>



2014-06-19 21:24:44.114522 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 3:1280<br>2014-06-19 21:24:44.694512 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN DETECTED: [3]<br>2014-06-19 21:24:44.854513 [DEBUG] mod_spandsp_dsp.c:384 DTMF END DETECTED: [3], duration = 165 ms<br>



2014-06-19 21:24:45.434531 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 9:1280<br>2014-06-19 21:24:45.994513 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN DETECTED: [9]<br>2014-06-19 21:24:46.154514 [DEBUG] mod_spandsp_dsp.c:384 DTMF END DETECTED: [9], duration = 165 ms<br>



2014-06-19 21:24:47.434530 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 2:1280<br>2014-06-19 21:24:48.034523 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN DETECTED: [2]<br>2014-06-19 21:24:48.034523 [CRIT] sb_main.js:390 digits pressed after collect input: 392<br>



<br></div><div>On the failure calls, I&#39;m getting only the RTP RECV DTMF log and not the DTMF BEGIN and DTMF END DETECTED log messages and because of this, dialplan application is not receiving any DTMFs.<br></div><div>



<br></div>I&#39;ve attached the pcap file and full fs log for failure call.<br><br></div>What could be the cause of this inconsistent behavior? Kindly help me to rectify this. <br clear="all"><span><font color="#888888"><div>


<div><div><div><br>-- <br>
Regards,<br>Nagalenoj H.
</div></div></div></div></font></span></div>
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<br></blockquote></div><br><br clear="all"><br></div></div><span class="HOEnZb"><font color="#888888">-- <br>Regards,<br>Nagalenoj H.
</font></span></div>
</blockquote></div><br><br clear="all"><br>-- <br>Regards,<br>Nagalenoj H.
</div>