[asterisk-biz] Creating a monster...

[Martin]

You can build TDMoE units yourself based on cheap 1u or mini-itx
enclosures since TDMoE can work with a low end
CPU like a single 1GHz Via CPU.

It really makes a difference if you don't need onboard EC since you
can get it for ~$600 for a quad port T1/E1 TDMoE
while a quad port non-EC redfone is ~$1600 at voipsupply

of course you would have to put some configuring effort into this

Martin

On Fri, Oct 2, 2009 at 11:55 AM, Mitul Limbani <mitul at enterux.com> wrote:
> Hello,
>
> I woud recommend using quad red fone devices over 1gbps Ethernet, all
> on 1U servers with dual NICs and since there is no on machine irq
> used, you can do away with lesser powerful boxes.
>
> You can also look at HA with ultramonkey heartbeat, to ensure
> avolability in mission critical situations.
>
> If you need any setup n confg help we can provide the same.
>
> Thanks & Regards,
> Mitul Limbani,
> Founder & CEO,
> Enterux Solutions Pvt. Ltd.,
> The Enterprise Linux Company (r),
> http://www.enterux.com
> http://www.entVoice.com
>
> On 02-Oct-2009, at 7:44 PM, Matt Florell <astmattf at gmail.com> wrote:
>
>> On 10/2/09, Steve Edwards <asterisk.org at sedwards.com> wrote:
>>> On Fri, 2 Oct 2009, Matt King wrote:
>>>
>>>> I've got a requirement to build a 16-port E1 ISDN Asterisk machine
>>>> (so
>>>> that's a whopping 480 simultaneous calls).  I'm thinking of using 4x
>>>> TE405P or 4x TE410P to provide the 16 E1 ports required.
>>>>
>>>> There is no VoIP requirement at this customer.
>>>>
>>>> Does anyone out there have any experience you can share with
>>>> building
>>>> and running a system like this?
>>>
>>>
>>> I had a similar requirement about 5 years ago for a 24x7x365 adult
>>> chat
>>> site, except it was for T1s instead of E1s. Back then, the interrupt
>>> activity from the 4 cards was strongly advised against. I don't
>>> think that
>>> is an issue any more.
>>>
>>> When we thought about it, 4 1u pizza boxes with 1 quad card each
>>> made more
>>> sense. The dialplan on these "telco servers" just answered the call
>>> and
>>> dialed the "application server."
>>>
>>> If a telco server crashed, we only lost 25% of our capacity. Likewise
>>> (because we were running at less than 75% of capacity), we could do a
>>> "rolling upgrade" of the telco servers without any downtime. When we
>>> wanted to upgrade the application server, we changed the telco server
>>> dialplan to dial the backup application server.
>>>
>>> You may want to take a look at external E1/T1 devices like red-fone.com
>>> .
>>
>> We have also built a 16 x T1 server, except we used two Sangoma
>> octal(8) port cards.
>>
>> It is doable, but to reiterate what Steve already said, you would be
>> better off breaking it out into separate servers.
>>
>> MATT---
>>
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