[asterisk-users] Echo and static on PRI with errors

[Tom O'Connor]

On Tue, Jun 30, 2009 at 2:16 PM, David Backeberg <dbackeberg at gmail.com>wrote:

> On Tue, Jun 30, 2009 at 6:45 AM, Tom O'Connor<tom.bioinf at gmail.com> wrote:
> > I'm having some fairly serious asterisk problems, which seem to be spread
> > quite liberally across all asterisk versions, I've tried 1.4.2, 1.6.0.10,
> > 1.6.2beta4 and still had exactly the same problem with static and echo on
> > the line when using the PRI interface.
>
> In my experience, static and echo can be related to bad cables or bad
> physical telco wiring. This would explain why the problem affected
> every asterisk version you tried. Do you have any other gear you can
> terminate the PRI into for a comparison test? I would suspect a bad
> PRI.
>
> I'd love to accept that as the cause, but we've got an old asterisk box,
sapphire*CLI> show version
Asterisk 1.0-RC1 built by root at nyx on a i686 running Linux

Which connects and works fine, no PRI errors.  The problem is, we want to do
stuff that isn't supported by that old version, MoH doesn't work properly.
For the SIP part, the 1.6.2beta is perfect.  I'm currently pointing fingers
at either the hardware (someone on #asterisk said it could be a cruddy
chipset, but it's an HP Server.. so should be kosher.. ), I might try a
stock kernel, instead of an ubuntu one..  but there's a bit of FUD involved
there.
I might try a totally different server also..


-- 
Tom O'Connor

http://www.twinhelix.org
tom at twinhelix.org
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