[Freeswitch-users] spandsp_start_dtmf detects # key many times

Brian West brian at freeswitch.org
Tue Jan 20 10:58:42 MSK 2015


It should, maybe the call it AVT?

On Tuesday, January 20, 2015, Nagalenoj H. <nagalenoj at gmail.com> wrote:

> My phone does not have an option to select RFC2833.
>
> On Tue, Jan 20, 2015 at 12:37 PM, <covici at ccs.covici.com
> <javascript:_e(%7B%7D,'cvml','covici at ccs.covici.com');>> wrote:
>
>> Why not use rfc2833 instead?
>>
>> Nagalenoj H. <nagalenoj at gmail.com
>> <javascript:_e(%7B%7D,'cvml','nagalenoj at gmail.com');>> wrote:
>>
>> > When I changed the Aastra phone settings to use SIP INFO, am not facing
>> > this issue. But, when I change it to use RTP for DTMF, then '#' is
>> getting
>> > detected more times.
>> >
>> > I did a pcap and listened to the audio, I could hear only one tone(beep)
>> > for each key pressed. Is there anything other configuration to get it
>> > working in RTP?
>> >
>> > On Mon, Jan 19, 2015 at 10:40 PM, Michael Jerris <mike at jerris.com
>> <javascript:_e(%7B%7D,'cvml','mike at jerris.com');>> wrote:
>> >
>> > > If you are using a sip phone, you are MUCH better off using non audio
>> > > based dtmf like rfc-2833.  If you are already using this, its
>> possible that
>> > > what is happening is the phone is sending the dtmf as audio and 2833,
>> at
>> > > which point, you should not have to use spandsp_start_dtmf at all.
>> If the
>> > > phone is sending only audio, and is not capable of using any other
>> method,
>> > > you will need to pull a pcap of this call, use wireshark to extract
>> the
>> > > audio, and do some analysis of the audio to figure out why it is
>> detecting
>> > > multiple digits.
>> > >
>> > >
>> > > On Jan 19, 2015, at 4:38 AM, Nagalenoj H. <nagalenoj at gmail.com
>> <javascript:_e(%7B%7D,'cvml','nagalenoj at gmail.com');>> wrote:
>> > >
>> > > Hi,
>> > >
>> > > When I use spandsp_start_dtmf along with play_and_get_digits, '#' is
>> > > getting detected many times, though it is pressed once.
>> > >
>> > > Other DTMFs are getting detected properly, whereas the '#' is getting
>> > > detected 2 or 3 times.
>> > >
>> > > I have checked the SIP phone's settings, I do not find anything wrong
>> > > there.
>> > >
>> > > What could be the reason? Is this because of some SIP phone setting?
>> Here
>> > > is the freeswitch log,
>> > >
>> > > 2015-01-19 09:33:39.671681 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [1]
>> > > 2015-01-19 09:33:39.671681 [DEBUG] switch_channel.c:488 RECV DTMF
>> 1:2000
>> > > 2015-01-19 09:33:39.851686 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [1], duration = 191 ms
>> > > 2015-01-19 09:33:40.071688 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [4]
>> > > 2015-01-19 09:33:40.071688 [DEBUG] switch_channel.c:488 RECV DTMF
>> 4:2000
>> > > 2015-01-19 09:33:40.251687 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [4], duration = 153 ms
>> > > 2015-01-19 09:33:40.431699 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [7]
>> > > 2015-01-19 09:33:40.431699 [DEBUG] switch_channel.c:488 RECV DTMF
>> 7:2000
>> > > 2015-01-19 09:33:40.631680 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [7], duration = 204 ms
>> > > 2015-01-19 09:33:40.851688 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [4]
>> > > 2015-01-19 09:33:40.851688 [DEBUG] switch_channel.c:488 RECV DTMF
>> 4:2000
>> > > 2015-01-19 09:33:40.971695 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [4], duration = 127 ms
>> > > 2015-01-19 09:33:41.151691 [DEBUG] switch_core_session.c:1053 Send
>> signal
>> > > sofia/internal/sip:278 at 192.168.2.86:5060 [BREAK]
>> > > 2015-01-19 09:33:41.171701 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [7]
>> > > 2015-01-19 09:33:41.171701 [DEBUG] switch_channel.c:488 RECV DTMF
>> 7:2000
>> > > 2015-01-19 09:33:41.351680 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [7], duration = 191 ms
>> > > 2015-01-19 09:33:41.371686 [DEBUG] switch_ivr_play_say.c:1314 Codec
>> > > Activated L16 at 8000hz 1 channels 20ms
>> > > 2015-01-19 09:33:41.691686 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [#]
>> > > 2015-01-19 09:33:41.691686 [DEBUG] switch_channel.c:488 RECV DTMF
>> #:2000
>> > > EXECUTE sofia/internal/392 at 3427.vbiz.mundio.com
>> <javascript:_e(%7B%7D,'cvml','392 at 3427.vbiz.mundio.com');> flush_dtmf()
>> > > 2015-01-19 09:33:41.691686 [DEBUG] switch_ivr_play_say.c:1314 Codec
>> > > Activated L16 at 8000hz 1 channels 30ms
>> > > 2015-01-19 09:33:41.711684 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [#], duration = 38 ms
>> > > 2015-01-19 09:33:41.771683 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [#]
>> > > 2015-01-19 09:33:41.771683 [DEBUG] switch_channel.c:488 RECV DTMF
>> #:2000
>> > > 2015-01-19 09:33:41.771683 [DEBUG] switch_ivr_play_say.c:1747 done
>> playing
>> > > file
>> file_string:///root/united_fone/voice_files/en//CR_enter_conf_pin.wav
>> > > 2015-01-19 09:33:41.771683 [DEBUG] switch_ivr_play_say.c:1314 Codec
>> > > Activated L16 at 8000hz 1 channels 30ms
>> > > 2015-01-19 09:33:41.811686 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [#], duration = 25 ms
>> > > 2015-01-19 09:33:41.871691 [DEBUG] mod_spandsp_dsp.c:373 DTMF BEGIN
>> > > DETECTED: [#]
>> > > 2015-01-19 09:33:41.871691 [DEBUG] switch_channel.c:488 RECV DTMF
>> #:2000
>> > > 2015-01-19 09:33:41.951681 [DEBUG] mod_spandsp_dsp.c:385 DTMF END
>> > > DETECTED: [#], duration = 76 ms
>> > >
>> > >
>> > >
>> > >
>> _________________________________________________________________________
>> > > Professional FreeSWITCH Consulting Services:
>> > > consulting at freeswitch.org
>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>> > > http://www.freeswitchsolutions.com
>> > >
>> > > Official FreeSWITCH Sites
>> > > http://www.freeswitch.org
>> > > http://confluence.freeswitch.org
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>> > >
>> > > FreeSWITCH-users mailing list
>> > > FreeSWITCH-users at lists.freeswitch.org
>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>> > > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> > > UNSUBSCRIBE:
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>> > >
>> >
>> >
>> >
>> > --
>> > Regards,
>> > Nagalenoj H.
>> >
>> > ----------------------------------------------------
>> > Alternatives:
>> >
>> > ----------------------------------------------------
>> >
>> _________________________________________________________________________
>> > Professional FreeSWITCH Consulting Services:
>> > consulting at freeswitch.org
>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>> > http://www.freeswitchsolutions.com
>> >
>> > Official FreeSWITCH Sites
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>> >
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>> --
>> Your life is like a penny.  You're going to lose it.  The question is:
>> How do
>> you spend it?
>>
>>          John Covici
>>          covici at ccs.covici.com
>> <javascript:_e(%7B%7D,'cvml','covici at ccs.covici.com');>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>>
>
>
>
> --
> Regards,
> Nagalenoj H.
>


-- 

*Brian West*
brian at freeswitch.org


*Twitter: @FreeSWITCH , @briankwest*
http://www.freeswitchbook.com
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*T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
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