[asterisk-users] Digium TDMXXB and Electronic Noises

[Steve Totaro]

On Jan 31, 2008 12:28 PM, Matthew Yingling <matt at xenotran.com> wrote:
> I recently moved an installed and working Asterisk system from one PC to
> another.  I moved two Digium TDMXX cards and the OS as well  (a live
> distro).  I tuned the hardware on the new PC, but for some reason analog
> calls periodically have some electronic noise.  It's like beeps, but more
> musical.  I do not recall noticing this on the old PC, but immediately
> noticed it on the new system.  Since the hardware and the OS are the same,
> I'm not sure what could be causing this issue, or how to remedy it.  Any
> ideas?
>
> Thanks,
> Matthew Yingling
>

IRQ issues i would suspect.

Also,just because two machines are the same make and model absolutely
does not mean that they have the same hardware.  I have seen exact
server models ordered from CDW at the same time have very different
chipsets.

Thanks,
Steve Totaro