[Asterisk-Users] quad t1 / 1U rack server combos

Jonathan k. Creasy jonathan at bluegrass.net
Tue Aug 16 13:50:35 MST 2005


I think the foneBRIDGE is too expensive for what it does. IMHO
-jonathan

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Cory
Andrews
Sent: Tuesday, August 16, 2005 4:06 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] quad t1 / 1U rack server combos

William - You should take a look at the foneBRIDGE, new product from 
redFONE.  It has (4) PRI interfaces, and you run our to your primary and

failover Asterisk servers via Ethernet.  It does not do load balancing. 
but if you have a hardware failure in your primary Asterisk box, you can

just fail right over to your secondary box.  You don't need any PRI 
interface cards in your Asterisk host server at all.

Cory J Andrews
Partner / Purchasing
+++++++++++++++
VOIPSupply.com - Everything you need for VOIP
454 Sonwil Drive
Buffalo, NY 14225
+++++++++++++++
tf voice - 800-398-VOIP X22
l voice - 716.630.1555 X22
f - 716.630.1548
e - Cory at VOIPSupply.com
AIM - b2Cory



William Boehlke wrote:

> In our opinion, BAD idea to put four T1s on a single box, unless you 
> have another box that also has 4 T1s.
>  
> When, not if, the board fails, you have to take your box down to 
> replace it. And as with anything having to do with computers you are 
> guaranteed a failure at a peak time.
>  
> Better to split the load between two boxes.
>  
> William Boehlke
> Signate
>  
>
>
------------------------------------------------------------------------
> *From:* asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of *Chad 
> Osmond
> *Sent:* Tuesday, August 16, 2005 12:15 PM
> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> *Subject:* RE: [Asterisk-Users] quad t1 / 1U rack server combos
>
> From what I understand (From Sangoma's tech support) and having a IBM 
> x306 SCSI system with an A102u I believe that the system will scale up

> to 4xT1's easily.
> With a full T1 of traffic coming in and playing music on hold, the CPU

> was at 7% with no transcoding.
>  
> Sangoma cards are supposed to place less draw on the interrupts and 
> offer some new direct writing to DMA in their A104 cards. You may want

> to give them a call (Scott or Nenad are the two best people to speak 
> with).
>  
> From Sangoma README.asterisk:
> * Voice data is channelized and grouped into  8 byte chunks in 
> HARDWARE.  Each voice   channel is then DMAed directly into the 
> ZAPTEL  buffers.  Thus there is ZERO copy from HARDWARE  to ZAPTEL, 
> resulting in better performance and  scalability.*
>  
>  
> It sounds to me like that would be once advantage over Digiums cards. 
> They also have Hardware PRI functions that are passed directly to
libpri.
> http://sangoma.com/linux/README.asterisk
>  
> Hope that helps.
>  
> Chad
>
>
------------------------------------------------------------------------
> *From:* asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of *Damon 
> Estep
> *Sent:* August 16, 2005 12:33 PM
> *To:* asterisk-users at lists.digium.com
> *Subject:* [Asterisk-Users] quad t1 / 1U rack server combos
>
> It is amazing to me at this point that there is not an official Digium

> list of supported servers (including 1u models!). Clearly the number 1

> issue with the Digium PRI cards is the server that they are used in.
>
>  
>
> The new cards even go as far as listing server that DO NOT work on the

> Digium site!
>
>  
>
> The wiki references are old and do not have any testing parameters.
>
>  
>
> C'mon guys! Certify a few current model servers and be done with it.
>
>  
>
> Without that information I must again ask the question;
>
>  
>
> What 1u server combos work with the new quad pri cards UNDER LOAD 
> (more than 75% channel use). Every user that buys a Digium PRI card 
> should not have to play hit or miss with 2 or 3 servers that cost more

> than the card to get it to work.
>
>  
>
> Please Please Please publish something useful to support the sale of 
> PRI cards.
>
>  
>
> Damon
>
>
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