[Freeswitch-users] mod_spandsp: Inband DTMF not processed

[Nagalenoj H.]

Hi Christopher,

Thanks for your instant reply.

I've tried without spandsp_start_dtmf now, and still the behavior is
inconsistent. Here is a sample fs log.

1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:23.774526 [DEBUG]
switch_rtp.c:3793 RTP RECV DTMF 3:1280
20d28520-f7f8-11e3-ad68-b36c1aaf53e8 2014-06-19 22:26:24.354513 [DEBUG]
switch_rtp.c:3793 RTP RECV DTMF 3:400
2014-06-19 22:26:24.354513 [CRIT] sb_main.js:428 -----digit: 3
1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:25.394516 [DEBUG]
switch_rtp.c:3793 RTP RECV DTMF 8:1280
1feeb0f2-f7f8-11e3-ad58-b36c1aaf53e8 2014-06-19 22:26:27.094516 [DEBUG]
switch_rtp.c:3793 RTP RECV DTMF 0:1280
20d28520-f7f8-11e3-ad68-b36c1aaf53e8 2014-06-19 22:26:27.734531 [DEBUG]
switch_rtp.c:3793 RTP RECV DTMF 0:400
2014-06-19 22:26:27.734531 [CRIT] sb_main.js:428 -----digit: 0
2014-06-19 22:26:32.754515 [CRIT] sb_main.js:390 digits pressed after
collect input: 30




On Fri, Jun 20, 2014 at 2:24 AM, Christopher Rienzo <cmrienzo at gmail.com>
wrote:

> RTP RECV DTMF means the DTMF was received as a telephone-event (not inband
> audio).  You don't need to use the spandsp DTMF detector.
>
>
>
> On Thu, Jun 19, 2014 at 4:44 PM, Nagalenoj H. <nagalenoj at gmail.com> wrote:
>
>> Hi,
>>
>> I am facing an issue with using Inband DTMFs.
>>
>> 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.
>>
>> For a working call, I'm getting the logs as below,
>>
>> 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
>> 2014-06-19 21:24:44.114522 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 3:1280
>> 2014-06-19 21:24:44.694512 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN
>> DETECTED: [3]
>> 2014-06-19 21:24:44.854513 [DEBUG] mod_spandsp_dsp.c:384 DTMF END
>> DETECTED: [3], duration = 165 ms
>> 2014-06-19 21:24:45.434531 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 9:1280
>> 2014-06-19 21:24:45.994513 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN
>> DETECTED: [9]
>> 2014-06-19 21:24:46.154514 [DEBUG] mod_spandsp_dsp.c:384 DTMF END
>> DETECTED: [9], duration = 165 ms
>> 2014-06-19 21:24:47.434530 [DEBUG] switch_rtp.c:3793 RTP RECV DTMF 2:1280
>> 2014-06-19 21:24:48.034523 [DEBUG] mod_spandsp_dsp.c:372 DTMF BEGIN
>> DETECTED: [2]
>> 2014-06-19 21:24:48.034523 [CRIT] sb_main.js:390 digits pressed after
>> collect input: 392
>>
>> On the failure calls, I'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.
>>
>> I've attached the pcap file and full fs log for failure call.
>>
>> What could be the cause of this inconsistent behavior? Kindly help me to
>> rectify this.
>>
>> --
>> Regards,
>> Nagalenoj H.
>>
>> _________________________________________________________________________
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>>
>> 
>> 
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>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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-- 
Regards,
Nagalenoj H.
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