[Freeswitch-users] Yet another DTMF question

Wed Jan 19 20:32:44 MSK 2011

Try uploading to the latest Git, a post from Brian just reminded me that
there was a day where some changes to the RTP stack broke RFC2833 support,
perhaps you have one of the bad versions.

-Steve

On 19 January 2011 12:34, Travis Stutsman <tlstutsman at gmail.com> wrote:

> Yeah, I've been scouring the debug output and it's definitely not showing
> up.
>
>
>
>
> On Wed, Jan 19, 2011 at 7:27 AM, Steven Ayre <steveayre at gmail.com> wrote:
>
>> Looks ok then...
>>
>> At debug level in the logs DTMF digits showing up?
>>
>> It'll look something similar to:
>> 2011-01-19 12:02:54.855830 [DEBUG] switch_rtp.c:2925 RTP RECV DTMF 1:400
>>
>> -Steve
>>
>>
>>
>> On 19 January 2011 11:45, Travis Stutsman <tlstutsman at gmail.com> wrote:
>>
>>> First I want to thank you for taking the time, Steve.  I really
>>> appreciate it.
>>>
>>> Secondly, here is the SDP from the client end.  It appears to be 101 as
>>> expected.
>>>
>>> v=0
>>> o=- 12939910547141841 1 IN IP4 x.x.x.x
>>> s=CounterPath X-Lite 4.0
>>>
>>> c=IN IP4 x.x.x.x
>>> t=0 0
>>> a=ice-ufrag:8ef9c3
>>> a=ice-pwd:768def2c0edb34ec3cd4c49ed6b1279b
>>> m=audio 55982 RTP/AVP 8 101
>>>
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-15
>>> a=sendrecv
>>> a=candidate:1 1 UDP 659136 x.x.x.x 55982 typ host
>>> a=candidate:1 2 UDP 659134 x.x.x.x 55983 typ host
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Jan 19, 2011 at 3:30 AM, Steven Ayre <steveayre at gmail.com>wrote:
>>>
>>>> What about the remote sdp? Just checking fs is expecting 101.
>>>>
>>>> Steve on iPhone
>>>>
>>>> On 18 Jan 2011, at 19:17, Travis Stutsman <tlstutsman at gmail.com> wrote:
>>>>
>>>> Call has been answered - I can hear the IVR.  Payload type is 101 -
>>>> packets on both ends verify this.  SDP example follows:
>>>>
>>>>
>>>> 2011-01-18 19:10:13.579728 [DEBUG] mod_sofia.c:681 Local SDP
>>>> sofia/internal/1000 at x.x.x.x:
>>>> v=0
>>>> o=FreeSWITCH 1295351291 1295351292 IN IP4 x.x.x.x
>>>> s=FreeSWITCH
>>>> c=IN IP4 x.x.x.x
>>>> t=0 0
>>>> m=audio 26522 RTP/AVP 8 101
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=silenceSupp:off - - - -
>>>> a=ptime:20
>>>> a=sendrecv
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Jan 18, 2011 at 2:02 PM, Steven Ayre < <steveayre at gmail.com>
>>>> steveayre at gmail.com> wrote:
>>>>
>>>>> Has the call been answered? (DTMF is ignored before the call is
>>>>> answered)
>>>>>
>>>>> What payload type are the RFC2833 packets using?
>>>>> What does the SDP look like?
>>>>> Does the payload type in the packets match the telephone-event in the
>>>>> SDP?
>>>>>
>>>>> -Steve
>>>>>
>>>>>
>>>>> On 18 January 2011 16:46, Travis Stutsman < <tlstutsman at gmail.com>
>>>>> tlstutsman at gmail.com> wrote:
>>>>>
>>>>>> I've looked through a lot of threads regarding DTMF troubles, but none
>>>>>> of them seem to relate to me.  I've just pulled a fresh copy of the
>>>>>> freeswitch source and compiled it and I cannot get my digits recognized -
>>>>>> neither in-band nor out-of-band.  I haven't messed with INFO yet as my
>>>>>> phones don't support it.  I've done packet captures on my local interface
>>>>>> and on the server's interface and I can see the RTP rfc2833 digits showing
>>>>>> up, but freeswitch completely ignores them.  I feel like I must be
>>>>>> overlooking something horribly obvious.  How can this be?  Any hints guys?
>>>>>> Thanks in advance!
>>>>>>
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>>>>>>
>>>>>
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