[Asterisk-Users] problem with zaphfc

[FastJack]

Hi tim,

sadly my bios doesn't allow me to change any IRQs. I can only block some -
but this would not help.

I was running some CPU-frequency-scaling (longhall). I disabled this and my
errors are less, almost gone. I think this was my problem!

And yes, I'm using asterisk at home (for fun).

Thank you anyway.
...
Thorsten

----- Original Message ----- 
From: "Robinson Tim-W10277" <Tim.Robinson at motorola.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, June 28, 2004 2:24 PM
Subject: RE: [Asterisk-Users] problem with zaphfc


We had the same problems on a couple of Dell Optiplex machines.  i.e.
slow, jittery audio.  After spending several days fiddling around we
gave up and bought a Junghanns quadBRI.  It just worked without any
fuss, and I would suggest that unless this is for a home config where
you are cost-constrained, the quadBRI is the best solution.

Having said that, I have two zaphfc cards running in my Asterisk pc at
home, in NT and TE mode.  I am sure the issues we have both seen is some
kind or IRQ conflict in the Dells and the config you describe below, but
for us it was cheaper to buy a more expensive card that we knew worked.

Things to try if you do want to keep fiddling with the hfc cards :

1) Disable IRQ on your graphics card
2) Assign a separate IRQ to each slot on your motherboard (in your
BIOS...Dells fall down here as I couldn't do this)

Let us know how you get on...

RGds
Tim R

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of FastJack
Sent: 28 June 2004 13:11
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] problem with zaphfc


Hi,

I've tried the card (and asterisk-version) with a different computer
(athlon
t-bird) and there I have no problems.
DAMMN!!! What can cause this trouble? The computer is a VIA C3 600 MHz /
256 MB RAM. It has a 90W powersupply, IRQ is not shared. Tried both
PCI-Slots (the VIA C3 uses a special RISER-card to make 2 PCI-slot out
of one). But I've tried without this riser and the problem is the same.
No other devices are attached (only harddisk, ram, the HFC-S). Problem
still occurs.

with "slow" I mean : distorted, sound as if some frames are to high,
others to low.

can anyone help me?! PLEASE!!!

----- Original Message ----- 
From: "Michael Sandee" <ms at zeelandnet.nl>
To: <asterisk-users at lists.digium.com>
Sent: Saturday, June 26, 2004 8:41 PM
Subject: Re: [Asterisk-Users] problem with zaphfc


> What you describe as slow sound is most likely not a problem with the
> driver.. atleast.. very unlikely. Neither with hardware...
>
> You need proper 100ohm termination on your bus, please check that.
>
> Slow sound is a very very wierd problem... you can experience clicks,
> noise and/or frame (voice) drops under bad conditions (improper
> configuration of hardware or software).
>
> If possible try to issolate the source of the problem, using different

> hardware, changing asterisk version or whatever you see fit.
>
> Regards,
>
> Michael
>
> FastJack wrote:
>
> >the problem not only occures when I use both phones - when I'm using
phone 1
> >and annother calls "knocks on" for example - the sound is also not
> >ok.
> >
> >any hints? I'm using a VIA C3 600 MHz with a dual-riser from VIA
> >(make 2 PCI-slots out of one). maybe this is the problem ?!
> >
> >----- Original Message -----
> >From: "FastJack" <xfjx at m4tr1Xx.de>
> >To: <asterisk-users at lists.digium.com>
> >Sent: Saturday, June 26, 2004 12:52 PM
> >Subject: [Asterisk-Users] problem with zaphfc
> >
> >
> >
> >
> >>hi everybody,
> >>
> >>I'm running my asterisk with a HFC-S card in NT-mode with a "modded"
NTBA
> >>(NT1) (=simply crossed cable) and two ISDN-phone behind it. Now,
> >>when
ever
> >>
> >>
> >I
> >
> >
> >>user both phones at the same time, the sound is very, very crappy,
> >>as if
> >>
> >>
> >it
> >
> >
> >>is played at a slower speed (like playing a 7'' single at 33 speed -

> >>in those old venyl days).
> >>
> >>I have not modified my NTBA with a second ohm resistors - can this
> >>be
the
> >>problem?
> >>
> >>thank you!
> >>
> >>
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> >>
> >>
> >
> >
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