[asterisk-users] voice quality

[Gordon Henderson]

On Thu, 23 Apr 2009, Rilawich Ango wrote:

> Hi all,
>  I wonder who has the same voice quality problem as what we have.
> Below is our configuration.
> Company --- asterisk 1.4.22 (g729) --- CISCO --- T1 --- customer
>
> Sometimes, customers told me that they heard our voice not very clear,
> like a call from far far away.  I heard the recording is ok and there
> is no such effect in it.  Can I assume the following?
>
> -voice quality is ok in asterisk as recording is ok
> -The "far far away" effect is happen between asterisk and customer end
>
> Anyone can give me some suggestions to solve/test it?

How many concurrent calls are you making?

Not using G729 between the Asterisk box and the Cisco would be a start - 
at least for 1 or 2 calls - but I guess you'res using g729 due to 
bandwidth restrictions...

Gordon