If you want stable use external gateways and two servers set up to fail over to each other.
 
Second best is two two T1 cards so you have something left when one of them fails.
 
If you want to bet your job on a 4 T1 card, Sangoma has excellent echo cancellation and a million hour MTBF.
 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kyle Sexton
Sent: Thursday, March 23, 2006 3:09 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Stability and motherboard questions with TE406Pand TE410P

So what motherboard/card combos do people use for high volume asterisk servers that are stable?  What I'd need would be a 4-port PRI card, preferebly with echo cancellation, and a motherboard/system that works well with that card.

---
Thanks,
Kyle

On 3/23/06, Kyle Sexton <[EMAIL PROTECTED]> wrote:
Wow, no responses in favor of either the TE406P or the TE410P w/ a motherboard recommendation.  That's not a great sign for this endeavor. :(

Thanks,
Kyle



On 3/22/06, George Pajari <[EMAIL PROTECTED]> wrote:

Kyle Sexton wrote:
> TE406P:
> - PRIs will go from up and working fine, to "Provisioned, Down, Active"
> after the server has been up for around 10 minutes, this may be
> related to
> rxfax and txfax being installed?  Has anyone had an issue with this
> specific
> card?  We have had this experience across multiple motherboards....

El Flynn wrote:
> While my reply probably doesn't help you any, I just want to say that
> I've been experiencing the same sort of problem. I've got a TE410P on
> a server with an Intel SE7210TP1-E Entry level server motherboard...

We're running a TE406P in an IBM xSeries 330 and while we have not had
system stability problems (system has crashed once in six months --
gamma rays?), we are on our fourth card in about six months.

Card 1 failed outright after a couple of months

Card 2 never reliably handled DTMF unless vpmdtmfsupport was disabled
and ran for a couple of months before it started screwing up DTMF
detection regardless of vpmdtmfsupport

Card 3 seemed to be working fine for almost a month but now the talk-off
is bad regardless of vpmdtmfsupport

Card 4 is a newer version of the TE406 which is supposed to address the
DTMF problems -- will be shutting down our server at midnight tonight to
install the new TE406.

If Card 4 doesn't do the trick we'll probably drop the idea of using
TE4xx boards altogether and use Patton SmartNode 2400 PRI gateways instead.

--
George Pajari, netVOICE communications    604 484 VOIP (484 8647 x102)
Open Source VoIP/Telephony Specialists  1 877 NET VOIP (638 8647 x102)
                  www.netvoice.ca   www.ip-centrex.ca
      www.digium.ca www.grandstream.ca www.sipura.ca www.snom.ca

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