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

Tue Aug 16 13:54:30 MST 2005

I have to agree, 4xT1 density is too low for $2500. If there is some
magic sauce inside the box then maybe.

What exactly is it? A 4 BRI card in a mini Linux install? Who maintains
the SIP-ISDN translations? What about docs and support? What are the
chances the box is really just an mini * server?

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Jonathan k. Creasy
> Sent: Tuesday, August 16, 2005 2:51 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: RE: [Asterisk-Users] quad t1 / 1U rack server combos
> 
> 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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> >
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>
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