[Asterisk-Users] CNG Comfort Noise Generation

[Steve Underwood]

Hi Assaf,

Assaf Benharoosh wrote:

> I have a problem with many phone such as BudgeTone, ariaVoice, 
> PCPhoneline. They are not generating comfort noise (you can hear 
> yourself when you're talking)- with budgetone having CNG sporadically.
>  
> Is there a way to make this happen on Asterisk - or it must be a phone 
> feature.
>  
> Does anyone else experiencing this issue with those phones and have a 
> workaround?
>  
> Assaf Benharoosh

Hearing yourself when you talk is not comfort noise. It is sidetone. 
Comfort noise is simulating the background noise of the room at the far 
end when nobody is talking and transmission has stopped. Sidetone is 
always a phone feature. Comfort noise usually is too.

Steve