[Asterisk-Users] Is There Media Accelerator For Better Asterisk Calls

[Adam Goryachev]

On Wed, 2005-04-27 at 08:34 +1200, Matt Riddell wrote:
> chawki hammoud wrote:
> > When I used ulaw, the sending speed rate was at 9.3
> > Kbs and people can hear me fine. The receiving speed
> > rate was oscillating around 5kbs and 9.3 kbs where at
> > 9.3 kbs the quality of the call is good. If I changed
> > the codec to a less bandwidth codec like gsm, the
> > sending speed is 3.1 kbs and people can hear me fine
> > and the receiving call alternates around 1 kbs and 3.1
> > kbs where at 3.1 kbs i can hear people fine. In both
> > codecs I experienced breaking up sounds when the rate
> > goes beyond 9.3 and 3.1.
> 
> It looks to me like packet loss rather than bandwidth only.  I.E. if you 
> get to max bandwidth you will see lost packets.  However routers further 
> down the line can also cause packet loss (at times of high load).

Could this also be silence suppression/VAD being enabled on the remote
side?

It seems that all the problems are one-sided (you can't hear the other
person properly)... 

Of course, seems odd this is only at certain times of the day though...

Regards,
Adam