[Asterisk-Users] iaxy and comfort noise generation / sound quality

[Eric "ManxPower" Wieling]

Asterisk does not support CNG.  It doesn't accept it and it doesn't 
generate it.  The same for the IAXy.

Try SIPura if you want a good ATA.

Grant Supp wrote:
> Am I correct in assuming the iaxy (S101I) does not support comfort noise 
> generation (CNG)? I can tell a difference between a call placed using a 
> Grandstream 486 ATA and the iaxy. With the iaxy, when the other party is 
> silent, the sound level abruptly cuts off to zero. This is fairly 
> annoying and wouldn't be acceptable at a customers' presence. With the 
> 486, random background noise is still heard, more like a traditional phone.
> 
> Does anyone have any suggestions or can recommend an ATA with high sound 
> quality? So far I have tested the Grandstream 286/486 (unreliable) and 
> Digium iaxy (S101I). I have not been able to find a reliable ATA that 
> has high sound quality.