[Asterisk-Users] Beeps and noises during calls

[Sean Garland]

Sounds like it might be the pci bus..  I have a single tdm400 card and
it isn't sharing an irq with other devices.  So that leaves the pci bus.
Weird that I would get it from 2 separate computers though and different
cards (had s100u's before).  The mobo is an ASUS A7N8x-E deluxe, with
Nforce 2, Althlon xp 3200+ and gig of ram...  Guess I could replace the
box with other hardware.  I think I have another box here and I still
have the s100u cards, maybe I'll put together something else to see if
there is a difference...

Any other ideas would be great.
Thanks
Sean

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Andrew
Kohlsmith
Sent: Friday, April 07, 2006 12:27 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] Beeps and noises during calls

On Friday 07 April 2006 15:03, Sean Garland wrote:
> The beeps are not DTMF tones (at least they don't sound like it).  It 
> sounds more like the system is trying to compensate for something or 
> adjusting something.  There is a beep, sometimes several, or maybe one

> or 2 in a row, and it can be faint, or loud, or whatever, but is 
> always the same pitch and tone.  Sometimes it is accompanied with loud
talkback
> to the earpiece.   I'm going nuts, and cannot in good conscience,
> install or recommend this to anyone till I can resolve this.  It has

Sounds like the system is either sharing interrupts or the system has a
REALLY crappy PCI bus.  I ran across this on two motherboards, one of
which was really suprising because it was a decent vendor (Asus) and
wasn't doing anything other than Asterisk.

You don't need shared interrupts to get this.  I had issues with a
Sangoma A101u and Sangoma S518 in the same box (cheapass Dell P3) --
they were not sharing interrupts but the T1 would have all kinds of
glitches JUST like you describe.  Put a Digium T100P in place of the
A101u and it worked great.  
(Sounds counter to the typical threads here, but it's the truth, I
swear.) Again, these two cards were NOT sharing interrupts with each
other or any other devices on the system.

-A.
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