[sr-dev] RTPEngine - Support for Unified Plan SDP Format

[Daniel-Constantin Mierla]

Hello,

what are the differences in building the SDP for the two types (plan-b
vs unified-plan)? Can you (someone else) summarize? it will be useful to
see what can be done for sdpops module.

On the other hand, rtpengine gets full SDP body from Kamailio and
returns the new full SDP back, so here I do not think Kamailio's RTP
engine needs update, maybe new flags to control if the change should be
done or not (e.g., between two webrtc endpoints, one with old format and
the other with the new format).

Cheers,
Daniel

On 17.05.20 06:31, M S wrote:
> Hi,
>
> Since Chrome M72, the default format of SDP generated by Chrome's
> WebRTC stack has been changed to "unified-plan" instead of  Google's
> old "plan-b" format, which has no been deprecated and planned to be
> removed sometime in mid 2020. Here are more details about it.
>
> https://webrtc.org/getting-started/unified-plan-transition-guide
>
> This poses a big problem for non-web WebRTC clients, servers and
> proxies (such as RTPEngine) which will stop working as soon as Google
> Chrome removes support for legacy "plan-b" SDP format.
>
> In kmaialio's RTPEngine module, so far I have seen no support for this
> new "unified-plan" SDP format. 
>
> Are there any support planed for future? 
>
> Meanwhile, if there any way to add support for it in Kamailio via SDP
> manipulation e.g. SDPOPS module etc.
>
> Thank you.
>
> --
> Muhammad Shahzad Shafi
> Tel: +49 176 24 73 85 20
>
>
> _______________________________________________
> Kamailio (SER) - Development Mailing List
> sr-dev at lists.kamailio.org
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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