[OpenSIPS-Users] Generate INFO application/dtmf-relay message

Giuseppe Roberti jnod at jnod.org
Sun Nov 23 16:10:00 CET 2008


Hi Bogdan.

Sorry, i cannot reply to your request.
Simply i don't know if the INFO will be a in-dialog request or not.
I am learning sip and opensips day by day.

Thank you, i will try t_uac_dlg()

Regards.

Bogdan-Andrei Iancu wrote:
> Hi Brett,
> 
> I think you refer to the TM module (not UAC) for generating SIP requests 
> - the t_uac_dlg MI command:
>     http://www.opensips.org/html/docs/modules/1.4.x/tm.html#id2493975
> 
> As Giuseppe mentioned, the DTMFs he needs are transported via SIP INFO 
> method, so OpenSIPS could generate such a method. The problem is (please 
> correct me if I'm wrong) that the INFO will a in-dialog request (INFO 
> request will belong to the INVITE dialog). And OpenSIPS cannot generate 
> within the dialog request (because of the old Cseq story).
> 
> Regards,
> Bogdan
> 
> Brett Nemeroff wrote:
>> I've mentioned several times.. try using the UAC module to generate
>> the message. OpenSIPs is a proxy. It isn't made to GENERATE any
>> message, but to relay and reply to messages. You can use the fifo
>> method of the UAC module to generate an outgoing message. Look up the
>> click to dial (ctd) examples. It's not for SIP INFO, but it has an
>> INVITE method.
>>
>> On the other hand:
>> sipp (or some sort of real UAC)----> opensips --->
>> your-fancy-device-we-don't-understand
>> makes plenty of sense with the given technology
>>
>> That's my $0.02
>>
>> On Mon, Nov 17, 2008 at 10:41 PM, Giuseppe Roberti <jnod99 at gmail.com> wrote:
>>   
>>> I need only to send an INFO request that describe a DTMF tone, an INFO
>>> application/dtmf-relay request. I dont need sipp nor any other media
>>> software.
>>> Take a look to http://www.voip-info.org/wiki/view/SIP+Info+DTMF
>>> Its only a think that is relative to uac instead of proxy.
>>> Maybe its better to talk about on other places.
>>>
>>> Regards.
>>>
>>> Brett Nemeroff wrote:
>>>     
>>>> Perhaps you can use sipp to generate a call and send RTP
>>>>
>>>> On Mon, Nov 17, 2008 at 7:24 PM, Giuseppe Roberti <jnod at jnod.org> wrote:
>>>>       
>>>>> Ill try.
>>>>>
>>>>> I have a custom hardware phone that do something when receive a dtmf (it
>>>>> cant read sip, its an analogical phone).
>>>>> So i have to send dtmf when some event occur (like, received new invite,
>>>>> 200 ok for invite, etc...) to a sip ata that encode it for the
>>>>> analogical hardware.
>>>>> I know that a proxy does not generate request but i personally need it.
>>>>>
>>>>> Thanks again.
>>>>>
>>>>> brett at nemeroff.com wrote:
>>>>>         
>>>>>> What about using the uac module and generating it manually, like how the ctd example works??
>>>>>>
>>>>>> I'm not sure why you'd want to do this....
>>>>>> Sent from my Verizon Wireless BlackBerry
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Alex Balashov <abalashov at evaristesys.com>
>>>>>>
>>>>>> Date: Mon, 17 Nov 2008 19:25:31
>>>>>> To: Giuseppe Roberti<jnod at jnod.org>
>>>>>> Cc: <users at lists.opensips.org>
>>>>>> Subject: Re: [OpenSIPS-Users] Generate INFO application/dtmf-relay message
>>>>>>
>>>>>>
>>>>>> The fact remains that a proxy cannot originate requests.  They would
>>>>>> have to come from another UAC.
>>>>>>
>>>>>> Giuseppe Roberti wrote:
>>>>>>
>>>>>>           
>>>>>>> Hi.
>>>>>>>
>>>>>>> Sorry. I'll try to explain better.
>>>>>>> I want to send an INFO request from the UAS to one UAC.
>>>>>>> This request is a SIP request, specified by rfc 2976, it's not RTP media.
>>>>>>> It's like this: http://www.voip-info.org/wiki/view/SIP+Info+DTMF
>>>>>>>
>>>>>>> Thank you all.
>>>>>>>
>>>>>>> Bogdan-Andrei Iancu wrote:
>>>>>>>             
>>>>>>>> Hi Giuseppe,
>>>>>>>>
>>>>>>>> OpenSIPS is a SIP proxy and has no media related capabilities, so it is
>>>>>>>> not able to generate DTMF tones.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Bogdan
>>>>>>>>
>>>>>>>> Giuseppe Roberti wrote:
>>>>>>>>               
>>>>>>>>> Hi.
>>>>>>>>>
>>>>>>>>> I would able to generate a DTMF from opensips.
>>>>>>>>> Is it possible ? How can i do it ?
>>>>>>>>>
>>>>>>>>> Regards.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                 
>>>>> --
>>>>> Giuseppe Roberti
>>>>> <jnod at jnod.org>
>>>>>
>>>>>         
>>> --
>>> Giuseppe Roberti
>>> <jnod at jnod.org>
>>>
>>>     
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>>   
> 
> 
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-- 
Giuseppe Roberti
<jnod at jnod.org>



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