[Freeswitch-users] Multiple DTMF on Single Keypress

Avi Marcus avi at avimarcus.net
Sat Sep 10 21:13:33 MSD 2011


Is it supposed to have 6 "end" packets instead of 3? Maybe this needs to be
jira'd as a compatibility thing.
-Avi


On Thu, Sep 8, 2011 at 12:51 AM, Brian Wiese <
brian.wiese.freeswitch at gmail.com> wrote:

> 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
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>>>> >> > >
>>>> >> >
>>>> >> >
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