[asterisk-users] VoIP sound quality : highroad sound

[Jonas Kellens]

Hello,

what could be causing the issue of poor sound quality ? Some calls, 
certainly not all of them, sound like if the caller is standing next to 
a very busy road with lots of cars passing.

To be clear : the person calling is not standing next to a highway.

But there seems to be a noise "on the line" of busy highroad that makes 
that the caller can not be understood.

What can be causing this kind of "poor quality" ?

Is it lack of resources on the Asterisk-server (codec translation ?) Is 
it lack of bandwith ? Is it a problem of CentOS (the underlying OS) ? Is 
it a physical problem of the server components (network interface ?) ?



Kind regards,
Jonas.
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