[Iaxclient-devel] [Asterisk-Dev] Re: jitterbuffer

[Steve Underwood]

Steve Kann wrote:

>
> Jesse Kaijen wrote:
>
>> With ILBC the loss is not resolved, but user perception will be 
>> better because ILBC uses FEC/PLC techniques.
>
>
> In the current asterisk and iaxclient implementations _every_ codec 
> now has PLC support (well, maybe not G.723/G.729, but soon, I guess).
>
> I don't think that iLBC uses FEC, but it is mostly stateless, such 
> that the loss of a frame doesn't upset it's model as much as other 
> compressed formats.
>
FEC is a function of RTP, not ILBC. It seems to be rarely used.

Regards,
Steve