[Asterisk-Users] Performance: Xeon or Opteron?

[Rich Adamson]

Anton Krall wrote:
> Has anybody used the sangoma fxo cards with asterisk? 

Yes

> Anybody using multiple cards? 

Not tried it, but the A200D card can handle 24 ports (mix and match fxo 
and fxs modules) with a single pci bus interface.

> Problems with irq and such (same as with digium ones)?

Nope. Seems to handle at least some limited interrupt sharing just fine. 
Would guess audio quality would drop if the interrupt structure was 
heavily loaded though.

> Nope. Seems to handle at least some limited interrupt sharing just fine. Would guess   

> |-----Original Message-----
> |From: asterisk-users-bounces at lists.digium.com 
> |[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> |John Novack
> |Sent: Wednesday, April 12, 2006 10:29 AM
> |To: radamson at routers.com
> |Cc: Asterisk Users Mailing List - Non-Commercial Discussion
> |Subject: Re: [Asterisk-Users] Performance: Xeon or Opteron?
> |
> |
> |
> |Rich Adamson wrote:
> |
> |>
> |> While talking with one of the sangoma folks very recently, he was 
> |> rather emphatic the pci bus was designed to "share" 
> |interrupts. I was 
> |> a little concerned as a test server had the wanpipe driver 
> |sharing an 
> |> interrupt with libata and uhc1_hcd. His comment was "that's the way 
> |> its suppose to work, sharing interrupts as needed". I've not had any 
> |> recognizable issues with the A200D card at all, and faxing 
> |via a A200D 
> |> fxs port to a A200D fxo (pstn) port functions 100% reliably.
> |>
> |> What that would suggest is the TDM400 pci firmware (whether on card 
> |> logic or whatever) is the source of at least part of the 
> |TDM400 shared 
> |> interrupt issue. I don't have any digium T1/E1 cards laying around, 
> |> but if memory serves correctly, the T1/E1 cards do not use the same 
> |> pci controller chip. That would suggest the T1/E1 cards are 
> |less of an 
> |> issue then with the TDM400 card.
> |
> |That's good to know, but considering the response from Digium 
> |on the TDM400 ( try another motherboard) when there didn't 
> |seem to even be an int. sharing issue, the card just couldn't 
> |be seen at all , and the support I received from Sangoma on a 
> |recent FXS issue that was resolved within a few days, I would 
> |tend to go with Sangoma for the T1 card, if and when I have the need.
> |
> |John Novack
> |
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