[asterisk-users] grandstream and jitter buffer

Vinícius Fontes vinicius at canall.com.br
Wed Jul 22 15:13:33 CDT 2009


jbmaxsize=80 is way overkill. If your jitter is really close to 80ms then you have some serious issues on your link and it's not suitable for VoIP at all. Try jbmaxsize=40.


Vinícius Fontes
www.asteriskforum.com.br - Informações e discussão sobre Asterisk e telefonia IP

----- "Kelvin Chan" <kelvinc at positronics.com> escreveu:

> Hi guys,
> 
> I have a bunch grandstream phones using ulaw and my users are
> complaining they are jittery when I use "canreinvite=yes". The data
> connection is an ADSL link dedicated for phone traffic. At any given
> time, I have at most 2 calls in parallel.
> 
> I'm not a huge fan of asterisk being in media path doing buffering
> because the delay (jbmaxsize=80,jbimpl=fixed) is pretty long and
> sometimes my users complain that "are you on a sat phone?"
> 
> Any suggestions?
> 
> -  
> Kelvin Chan
> 
> 
> 
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