[asterisk-dev] Adding the support for NACK in asterisk

[Nitesh Bansal]

Hello,

I am talking about NACK in the context of RTCP feedback (a=rtcp-fb:* nack)
to request retransmission of lost frames.
I would like to advertise in my SDP that asterisk supports NACK, so WebRTC
browsers can
request for lost packets, lost FIR or PLI messages via RTCP feedback.

Since asterisk isn't source of the video, it will have to buffer the RTP
messages received from the remote peer and retransmit
them when requested by WebRTC browsers.

Nitesh



Regards,
Nitesh


On Thu, Dec 18, 2014 at 10:59 AM, Olle E. Johansson <oej at edvina.net> wrote:
>
>
> On 18 Dec 2014, at 10:42, Nitesh Bansal <nitesh.bansal at gmail.com> wrote:
>
> > Hello folks,
> >
> > I am contemplating adding the support for NACK in asterisk hoping for
> better video quality with Asterisk WebRTC calls.
> > Can somebody please give me an estimate of the challenges involved, how
> complicated it is going to be?
>
> Please tell me more. What is NACK?
>
> /O
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