[Freeswitch-users] send dtmf on one leg bridge

Wed Dec 15 07:04:15 MSK 2010

I suggest you read the SIP RFC too. The SDP isn't sent at every DTMF digit, it is only exchanged in an offer-answer scenario (e.g.: INVITE/18x/200).

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200
mrene at avgs.ca

On 2010-12-14, at 9:42 PM, Madovsky wrote:

> if I send these sdp value at every dtmf send
> is FS can interpret it or do I need to set it when session is done ?
> 
> 
> ----- Original Message ----- 
> From: "Mathieu Rene" <mrene_lists at avgs.ca>
> To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
> Sent: Tuesday, December 14, 2010 9:29 PM
> Subject: Re: [Freeswitch-users] send dtmf on one leg bridge
> 
> 
>> Indeed it is.
>> 
>> http://www.faqs.org/rfcs/rfc2833.html
>> 
>> The RTP payload format is designated as "telephone-event", the MIME
>>  type as "audio/telephone-event". The default timestamp rate is 8000
>>  Hz, but other rates may be defined. In accordance with current
>>  practice, this payload format does not have a static payload type
>>  number, but uses a RTP payload type number established dynamically
>>  and out-of-band.
>> 
>> 
>> Mathieu Rene
>> Avant-Garde Solutions Inc
>> Office: + 1 (514) 664-1044 x100
>> Cell: +1 (514) 664-1044 x200
>> mrene at avgs.ca
>> 
>> 
>> 
>> 
>> On 2010-12-14, at 9:27 PM, Madovsky wrote:
>> 
>>> is it need any specific sdp for rfc2833 ?
>>> 
>>> variable_switch_r_sdp: [v=0
>>> o=- 1292379777 1292379777 IN IP4 67.205.XX.XX
>>> s=-
>>> c=IN IP4 67.205.XX.XX
>>> t=0 0
>>> m=audio 46566 RTP/AVP 96
>>> a=rtpmap:96 speex/16000
>>> m=video 53492 RTP/AVP 97
>>> ]
>>> 
>>> seems missing
>>> a=rtpmap:101 telephone-event/8000
>>> a=fmtp:101 0-16
>>> 
>>> does dtmf need it ?
>>> 
>>> Thanks
>>> 
>>> 
>>> 
>>> ----- Original Message -----
>>> From: Madovsky
>>> To: FreeSWITCH Users Help
>>> Sent: Tuesday, December 14, 2010 8:09 PM
>>> Subject: Re: [Freeswitch-users] send dtmf on one leg bridge
>>> 
>>> Ok I will try. Bingo Brian,
>>> the rfc2833 RTP payload is not interpreted by FS
>>> I have to debug it.
>>> ----- Original Message -----
>>> From: Michael Collins
>>> To: FreeSWITCH Users Help
>>> Sent: Tuesday, December 14, 2010 3:32 AM
>>> Subject: Re: [Freeswitch-users] send dtmf on one leg bridge
>>> 
>>> Per my other message you may also just need to use uuid_recv_dtmf. Try it 
>>> and see.
>>> -MC
>>> 
>>> On Mon, Dec 13, 2010 at 11:12 PM, Steven Ayre <steveayre at gmail.com> 
>>> wrote:
>>> Perhaps the UUID variable doesn't contain the correct value though...
>>> 
>>> Try uuid_send_dtmf using the known UUID yourself. That'll show you
>>> whether uuid_send_dtmf works and the problem is in the expand api, or
>>> whether it's uuid_send_dtmf that's having a problem.
>>> 
>>> -Steve
>>> 
>>> 
>>> On 14 December 2010 01:18, Madovsky <infos at madovsky.org> wrote:
>>>> because I need to use variables inside the api request
>>>> is it make a difference ?
>>>> 
>>>> ----- Original Message -----
>>>> From: "Steven Ayre" <steveayre at gmail.com>
>>>> To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
>>>> Sent: Monday, December 13, 2010 7:47 PM
>>>> Subject: Re: [Freeswitch-users] send dtmf on one leg bridge
>>>> 
>>>> 
>>>>> What about  uuid_send_dtmf directly? i.e. not through expand.
>>>>> 
>>>>> -Steve
>>>>> 
>>>>> 
>>>>> On 13 December 2010 20:04, Madovsky <infos at madovsky.org> wrote:
>>>>>> yes,
>>>>>> 
>>>>>> I tried expand uuid_send_dtmf [uuid] 12345 at 120 once
>>>>>> answer done and ivr asks pin number but the CLI
>>>>>> says "ERR- no reply".
>>>>>> 
>>>>>> ----- Original Message -----
>>>>>> From: Michael Collins
>>>>>> To: FreeSWITCH Users Help
>>>>>> Sent: Monday, December 13, 2010 2:50 PM
>>>>>> Subject: Re: [Freeswitch-users] send dtmf on one leg bridge
>>>>>> Have you tried uuid_send_dtmf?
>>>>>> -MC
>>>>>> 
>>>>>> On Sun, Dec 12, 2010 at 12:30 PM, Madovsky <infos at madovsky.org> 
>>>>>> wrote:
>>>>>>> 
>>>>>>> Is it possible to send dtfmf via
>>>>>>> send_dtmf from CLI on a one leg bridge ?
>>>>>>> it's for enter a pin conference and I can't use
>>>>>>> any RFC on my sip phone.
>>>>>>> 
>>>>>>> Thanks
>>>>>>> 
>>>>>>> Franck
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>>> 
>>>>>> 
>>>>>> ________________________________
>>>>>> 
>>>>>> _______________________________________________
>>>>>> 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
>>>>>> 
>>>>>> _______________________________________________
>>>>>> 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
>>>>>> 
>>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> 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
>>>> 
>>>> 
>>>> _______________________________________________
>>>> 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
>>>> 
>>> 
>>> _______________________________________________
>>> 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
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> 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
>>> _______________________________________________
>>> 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
>> 
>> 
>> _______________________________________________
>> 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 
> 
> 
> _______________________________________________
> 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