[asterisk-users] Noise on FXS ports (Sangoma)

[Stephen Bosch]

John Novack wrote:
> In this troubleshooting case, it probably is better that there is NO
> dialtone, which would make the hiss easier to hear.
> I am curious what the OP found
> When Asterisk is stopped, does the hiss continue?

Okay -- I have tested this and yes, the hiss is still present even after
Asterisk has been stopped.

> That would help to narrow down the location of the problem
> It sure sounds to me as if it is a hardware problem within the card or
> even the module, rather than on the PCI bus or within Asterisk

Well, we know it's not Asterisk now...

I will have to try this hardware in another machine, or try new hardware
in this machine.

-Stephen-