[Freeswitch-users] Multiple DTMF on Single Keypress

Avi Marcus avi at avimarcus.net
Thu Sep 8 01:37:01 MSD 2011


That pcap only shows 9[pause]943 so it's not the whole thing? But anyway,
it's coming in as rfc2833, so it's really unlikely FS is mis-reading it..
Can you get a full pcap? You can open them in wireshark and filter for
"rtpevent" to see the dtmf digits that come in.

-Avi


On Thu, Sep 8, 2011 at 12:19 AM, Brian Wiese <
brian.wiese.freeswitch at gmail.com> wrote:

> Avi:
>
> Thank you for your help on this.
>
> I've captured the traffic as you've requested and another log.  I made it
> to the directory (DTMF 9 in the IVR), but then when I tried to dial 94373
> you can see I had some duplicate DTMF.
> http://www.netwayaccess.com/pcapsipdump.zip
> ~Brian
> On Wed, Sep 7, 2011 at 6:18 AM, Avi Marcus <avi at avimarcus.net> wrote:
>
>> Can you get a normal PCAP of the SIP/RTP with something here?
>> http://wiki.freeswitch.org/wiki/Packet_Capture
>>
>> e.g. pcapsipdump is quite nice. (Just make sure the folder exists
>> before running the command.)
>>
>> -Avi
>>
>>
>> On Wed, Sep 7, 2011 at 2:13 AM, Brian Wiese
>> <brian.wiese.freeswitch at gmail.com> wrote:
>> > Avi:
>> >
>> > I had thought it was inband, but I couldn't find anything that supported
>> it,
>> > like you mentioned.
>> >
>> > Is there anything else I can provide that would help solve this problem?
>> >
>> > Thanks.
>> >
>> > ~Brian
>> >
>> > On Tue, Sep 6, 2011 at 3:48 PM, Avi Marcus <avi at avimarcus.net> wrote:
>> >>
>> >> line 389
>> >> 2011-09-04 16:20:14.390350 [DEBUG] switch_rtp.c:3317 RTP RECV
>> DTMF 5:1440
>> >> 2011-09-04 16:20:14.390350 [DEBUG] switch_ivr_bridge.c:391 Send signal
>> >> sofia/internal/sip:20005 at 172.31.6.253 [BREAK]
>> >> 2011-09-04 16:20:14.410350 [DEBUG] switch_rtp.c:2343 Send start packet
>> >> for [5] ts=97600 dur=160/160/1440 seq=29252
>> >> 2011-09-04 16:20:14.410350 [DEBUG] switch_rtp.c:3317 RTP RECV
>> DTMF 5:1440
>> >>
>> >> It's coming as RTP RECV, meaning rfc2833. Otherwise, it would say
>> >> "DETECTED".
>> >>
>> >> -Avi
>> >>
>> >>
>> >> On Tue, Sep 6, 2011 at 11:36 PM, Jon Young <jonyoung111 at gmail.com>
>> wrote:
>> >> >
>> >> > Is it possible you are receiving 2833 and Inband DTMF?
>> >> >
>> >> > On Mon, Sep 5, 2011 at 10:36 PM, Dmitry Sytchev <kbdfck at gmail.com>
>> >> > wrote:
>> >> > > See the same behaviour with inband DTMF detector sometimes.
>> >> > >
>> >> > > 2011/9/5 Brian Wiese FreeSWITCH List
>> >> > > <brian.wiese.freeswitch at gmail.com>
>> >> > >>
>> >> > >> Hello everyone!
>> >> > >>
>> >> > >> I'm getting multiple RTP DTMF from random keypresses and I can't
>> >> > >> figure
>> >> > >> out why.  I've PB'ed the packet capture and FS log for a call.  As
>> >> > >> you can
>> >> > >> see from the FS log, the 9,8,7,6 numbers weren't repeated, but 5
>> was
>> >> > >> (again,
>> >> > >> though, different calls lead to different numbers being repeated).
>> >> > >> Log:  http://pastebin.freeswitch.org/17280
>> >> > >> Capture:  http://pastebin.freeswitch.org/17282
>> >> > >>
>> >> > >> I appreciate any ideas as to what I might have wrong here.
>> >> > >>
>> >> > >> Thanks.
>> >> > >>
>> >> > >> ~Brian
>> >> > >>
>> >> > >> FreeSWITCH-users mailing list
>> >> > >> FreeSWITCH-users at lists.freeswitch.org
>> >> > >> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> >> > >>
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>> >> > >> http://www.freeswitch.org
>> >> > >>
>> >> > >
>> >> > >
>> >> > >
>> >> > > --
>> >> > > Best regards,
>> >> > >
>> >> > > Dmitry Sytchev,
>> >> > > IT Engineer
>> >> > >
>> >> > >
>> >> > > FreeSWITCH-users mailing list
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>> >> >
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