asterisk users - Jan 2005 - [Fwd: Re: Asterisk-Users] very loud scratchy noise!]

On Mon, 2005-01-10 at 08:01 -0600, asterisk-users-
request@lists.digium.com wrote:
> > I am new to asterisk but learn a lot about it to this mailing list
> and
> > wiki currently i am facing problem about sip phone i have "PA
1688"
> > chipset ip-phone and i have iptel.org sip account i registered
> locally
> > and through iptel.org comfortably my problem is that when i called
> > from my sip phone to analog or any number after connection my sip
> > phone generates very load scartchy noise , i tried several settings
> of
> > DTMF but all in vein i enabled/disabled DTMF settings but not
> workin 
> > any info any hints any suggestions please ......
> 
> You didn't mention what type of analog interface you're using, but
> if it is an x100p or tdm digium card, you are probably seeing the
> same problem that lots of us have seen. If you are using either of
> those two cards, stop asterisk, reload the drivers, and restart
> asterisk. Or, simply reboot the complete system.
> 
> If you're not using one of those two cards, then help us understand
> your system. What OS? What * version? What analog interface? etc.


I was having this happen quite frequently, but got the advise to 

modprobe wcfxs lowpower=1

for the 4-port FXS card. And now rarely have these problems. Maybe
"lowpower=1" isn't necc. 
any more, but it's my lucky rabbit's foot, and I'll keep sticking it
in.

murf

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