[Freeswitch-users] Multiple DTMF on Single Keypress

Brian Wiese brian.wiese.freeswitch at gmail.com
Thu Sep 8 01:51:01 MSD 2011


Avi:

Here's a new full tcpdump and log:
http://www.netwayaccess.com/newcapture.zip

Like you said, I filtered it by rtpevent and I only see one DTMF 4, but FS
read two.

~Brian

On Wed, Sep 7, 2011 at 4:37 PM, Avi Marcus <avi at avimarcus.net> wrote:

> 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
>>> >> > >>
>>> >> > >> UNSUBSCRIBE:
>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> >> > >> http://www.freeswitch.org
>>> >> > >>
>>> >> > >
>>> >> > >
>>> >> > >
>>> >> > > --
>>> >> > > Best regards,
>>> >> > >
>>> >> > > Dmitry Sytchev,
>>> >> > > IT Engineer
>>> >> > >
>>> >> > >
>>> >> > > FreeSWITCH-users mailing list
>>> >> > > FreeSWITCH-users at lists.freeswitch.org
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>>> >> > >
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>>> >> > >
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