[Asterisk-Users] FXS static and noise problem

[Rich Adamson]

> I have one TDM40B and one TDM04B on my Asterisk box.
> Both were working fine. Then, all of the FXS ports
> started to make echo sounds when I make FXS to IAX or
> SIP connection. All of the FXS ports fail to make
> bridging to the FXO channels. And when I try to make a
> call from the console to the FXO ports, I only hear
> static noise.
> 
> Any suggestions about the source of the sudden change
> in behaviour?

Obviously something changed; either asterisk code, config's,
or the card itself. Only you can tell what changed, even if you
have to eliminate things.