[asterisk-dev] Jitter Buffer

[Kaloyan Kovachev]

On Wed, 25 Oct 2006 12:43:46 +1300, Nic Bellamy wrote
> Kevin P. Fleming wrote:
> 
> >zoachien at securax.org wrote:
> >  
> >
> >>You might for example want it for sip to zap but not from sip to iax,
> >>thus if you set it in sip, you will have dejittering for sip in your
> >>suggestion.
> >>    
> >>
> >
> >As John already pointed out, the current config mechanism is functional,
> >but a bit heavy-handed... In your example, if you want jb from SIP to
> >Zap but not IAX to Zap, you can't configure that way either.
> >
> >I'm not suggesting that these are valid configurations for most people,
> >but right now there is no way to specify them at all. At some point we
> >will need to create a more flexible method of configuring the jitter
> >buffer by channel technology and endpoint, it appears.
> >  
> >
> What about having the capability to override the jitterbuffer settings 
> from the dialplan?
> 
 Or make them a channel variables set from <tech>.conf (globally or per peer),
then if changed from the dialplan use the new value in ast_read() and do not
copy this change (but reread the <tech>.conf) when masquerading for transfer.

> At that point, you know both where you're coming from and will generally 
> have a good idea of where you're about to go.
> 
> Something along the lines of: SetJitterBuffer(none|incoming|outgoing|both)
> 
> I can see this getting tricky in the case of transfers, but it might 
> work well enough to solve things for most people, most of the time. If 
> this function isn't used, the JB would use the default scheme dependant 
> on channel jitter capabilities.
> 
> This would likely need the JB moved to ast_read() as KPF mentioned a 
> couple of messages back before it would work.
> 
> Regards,
>     Nic.
> 
> -- 
> Nic Bellamy,
> Head Of Engineering, Vadacom Ltd - http://www.vadacom.co.nz/
> 
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