[asterisk-users] Call Sound Volume Low : between extensions and over ZAP.

[Eric "ManxPower" Wieling]

Klaverstyn, David C wrote:
> Hi All,
> 
>  
> 
> I am starting to get complains from users that the call volume is very 
> low and people are having problems haring what is said.  This is for 
> internal calls (between extensions) and over ZAP.  The problem seems to 
> be with the caller and callee, no matter if it is an incoming or 
> outgoing call.
> 
>  
> 
> I know you can increase the gain levels on the digium cards but is it 
> possible to increase the volume of voice overall?

No.  Gain is done at the interface.  i.e. gains for Zap are in 
/etc/asterisk/zapata.conf and the gains for SIP are in the SIP device.