[OpenSIPS-Users] sdp answer

[Bogdan-Andrei Iancu]

When OpenSIPS handles the SIP messages carrying SDP (typically INVITE 
request and 200 OK reply), OpenSIPS will communicate with rtpengine and 
update the SDP with the new IP and port. Never tested, by AFAIK 
rtpengine may know to handle SRTP...not sure, you may check with the 
project.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 11.01.2016 12:00, riko nir wrote:
> Ok. Incase if the media needs to go via rtpengine, then how the 
> signaling happens, and how the rtpengine is forwarding the media to 
> the other end?
>
> In case of DTLS, only the DTLS handlshake needs to be taken care by 
> the RtpEngine, and the SRTP is handled by some other media server, and 
> only the DTLS-key needs to be send to the media server. In that case, 
> how can we fetch dtls-key after the DTLS handshake?
>
> Thanks.
>
> On Mon, Jan 11, 2016 at 3:13 PM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     Hi Riko,
>
>     There are no SDP answers created by opensips - it simply changes
>     the received SDP offer and it forwards it to the next destination
>     - basically it is doing proxying (performing some changes too) of
>     the SDP offers between the end points.
>
>     Best regards,
>
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>     On 06.01.2016 15:42, riko nir wrote:
>>     Hi all,
>>
>>     How is the communication flow happens between opensips and
>>     rtpengine incase of a call through SIP over websocket?
>>     When opensips receives a sdp offer from a web-based sip client,
>>     opensips is creating sdp answer or rtpengine is creating sdp
>>     anwer or rtpengine just updating ice information only in sdp and
>>     other than that, media related info is created by opensips?
>>
>>     Thanks.
>>     Riko
>>
>>
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>
>

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