Re: [OpenSIPS-Users] insert 183 Progress with SDP in call dialog

[Răzvan Crainea]

Hi, Dani!

What you can do is to send a 183 from OpenSIPS without SDP (because you 
can't possibly know the UAS media information), and inject the ringback 
tone to UAC from RTPProxy.


Best regards,

Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 05/24/2013 07:39 PM, Dani Popa wrote:

Hi again,

Can how can insert from opensips, without any other pbx, b2b ..., 183
Progress with sdp.  The ideea is, that sometime i need to insert in
media stream at begining, some audio, using rtpproxy and for this i
should have sdp and rtpproxy already used in call.  As application, for
example i want to change the ringback tone with opensips and rtpproxy
from clasic ringing to some music or message.
Thanks in advance for those who will tell me that opensips is sip proxy
and has nothing to do with relayed media.
the call trace case is next one:

(A)invite   ->opensips->invite(B)
(A)trying   <-opensips   <-trying(B)
(A)ringing <-opensips   <-ringing(B)
(A)progress  <-opensips
(A)200ok  <-opensips   <-200OK(B)
(A) ACK   ->opensips   ->ACK(B)

--
Dani Popa


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[OpenSIPS-Users] insert 183 Progress with SDP in call dialog

[Dani Popa]

Hi again,

Can how can insert from opensips, without any other pbx, b2b ..., 183
Progress with sdp.  The ideea is, that sometime i need to insert in media
stream at begining, some audio, using rtpproxy and for this i should have
sdp and rtpproxy already used in call.  As application, for example i want
to change the ringback tone with opensips and rtpproxy from clasic ringing
to some music or message.
Thanks in advance for those who will tell me that opensips is sip proxy and
has nothing to do with relayed media.

the call trace case is next one:

(A)invite   ->opensips->invite(B)
(A)trying   <-opensips   <-trying(B)
(A)ringing <-opensips   <-ringing(B)
(A)progress  <-opensips
(A)200ok  <-opensips   <-200OK(B)
(A) ACK   ->opensips   ->ACK(B)

-- 
Dani Popa
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