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

Brett Nemeroff brett at nemeroff.com
Tue Nov 18 05:49:22 CET 2008

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 --->
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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