[Asterisk-Users] Zap FXO channel locked up with steady static(white noise)

[Brian]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Rich Adamson
> Sent: Sunday, November 07, 2004 4:19 PM

> > I have a TMD40B and a TDM04B in my test evironment box, it is currently
> > running CVS-HEAD-10/30/04 on redhat 9. I am making a lot of changes to
> > the .conf files and reloading often.
> >
> > Occaisionally I get one of my Zap trunks in a state where * thinks it is
> > idle, but every time a call is bridged to it you hear a hiss (white
> > noise, steady) and nothing will succeed. When you call the number
> > associted with the channel it rings, but * does not acknowledge the
> > ring. Unplugging the line from the card has no effect, and the line
> > status appears to also be idle.
> >
> > The only thing I have found that will reset it is a shut down and power
> > off of the box. Any ideas?
> 
> Several of us have seen the exact same thing on the fxo ports since the
> card came out. Some have had luck stopping asterisk, unloading the
> drivers, reload, etc. Not sure if a bug report has ever been opened.

I'm having the same problem on my TDM40B (FXS). Unloading and loading the
modules seems to fix it temporally. Digium is sending me a replacement.
Hopefully that will fix it.