[asterisk-users] TDM400P FXO click sounds

[Matthew Fredrickson]

shadowym wrote:
> Please explain to me how FXO tune would fix popping and clicking sounds??? 
> 

As mentioned by Stephen, if the echo canceler is improperly tuning that 
certainly might be possible.  But moreover, if there is ambient line 
noise that is on the line, fxotune will try to pick the best settings on 
the line interface to either mitigate any line noise that it receives in 
the audio receive path.

One other possibility is you could see if it the clicking and popping 
correlates to hard drive activity... if that's so, you might have a hard 
drive or raid controller disabling interrupts for too long.

-- 
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.