[Asterisk-Users] Echo on a PRI

[David Goldfein]

It does seem to be on its own irq.
Detected Tormenta 2 Quad T1/PRI or E1/PRA at 0xfcf00800/0xfcf00000 irq 20
Nothing else seems to be on irq 20.

I don't know enough about the following line to know if it has any impact:
PCI->APIC IRQ transform: (B1,I8,P0) -> 20

Thanks,
Dave

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Wiley E. Siler
Sent: Monday, July 19, 2004 5:28 PM
To: asterisk-users at lists.digium.com
Subject: RE: [Asterisk-Users] Echo on a PRI

I think I saw a reference to a similar problem and it regarded IRQ
issues on the machine in question.  IF there was IRQ sharing, cagey
things happened.  But if the T1 card had a static IRQ, it resolved the
issue.  Does your T1 card have a dedicated IRQ? I am sure someone will
be able to explain further and possibly give you some validation on your
Mobo too?

Thanks,
Wiley


-----Original Message-----
From: David Goldfein [mailto:dave at swtravel.com] 
Sent: Monday, July 19, 2004 5:13 PM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Echo on a PRI

Hi,
I recently set up the following in a production system (2.8 GHZ Xeon, 1
Gig Memory, Dell 2650).

Telco - PRI - Asterisk - T1 - PBX

I am getting an occasional noticeable echo on some of the phone lines
(random inbound and outbound).  Everyone I ask keeps telling me that I
can't be having echo since I am on a PRI, which is a digital circuit.
Ok, so I can't be having echo, but I am!  Does anyone have any ideas of
what might be causing the echo in this situation?  


Thanks,
Dave


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