[asterisk-biz] Paranoia, Dell & 3COM

[Bob Pierce]

We are using a Dell 2950 with 2 Dual core 2GHz CPU, 2GB Ram and a
Sangoma A104d-x quad T1/E1 card (which now seems to be called the A104DE
on Sangoma's site). Using this system we are currently handling 82 users
quite easily. We have had at least 23 concurrent calls on a few
occasions with no problems. I'm pretty sure it could handle 48
concurrent calls as the load on this box averages around 0.11 and peaks
to about 0.4

-- 
Bob Pierce 
Network Analyst 
Westman Communications Group 

On Mon, 2008-02-04 at 09:04 -0500, John Williams wrote:
> Thanks for that wisdom, Bob.   For this current job, we have the
> luxury of running a separate network for voice, and can put aside QOS
> (for now).
>  
> Being completely paranoid,  I want to buy equipment (switch &
> PC) proven to operate an *  PBX for 50-90 users and 48 concurrent
> calls. 
>  
> --  Dell is our preferred PC vendor.  Can anyone recommend, based on
> actual experience, a Dell PC model for *, and 48 concurrent calls?
> (The Dell recommended models on the Wiki are out of date) 
>  
> --  3COM is our preferred basic switch vendor.  Can anyone recommend,
> based on actual experience, a 3COM switch model for *, and 48
> concurrent calls?
>  
> Thanks in advance for aiding my considerable paranoia!
>  
>  
> On Feb 3, 2008 5:46 PM, bob murphy <springsource at gmail.com> wrote:
>         Once you start adding L3 to even L6 and 7 services the party
>         gets smaller and more expensive.  At the point you are
>         building a network that requires QOS, Priority, Per port
>         VLAN's etc you may as well build with service provider class
>         switching gear like Foundry and Cisco etc.  It will help us
>         all by eliminating complaints about "VOIP and Asterisk" being
>         not ready for prime deployment due to maturity issues when in
>         reality, it works fine on a well designed and constructed
>         network.  Most of the time the Telephony system get's blamed
>         for what is actually a poorly designed network.  "Low cost"
>         and "Business grade" may not coexist yet.  So just bite the
>         bullet and use Foundry or Cisco.  We have deployed a couple
>         systems with over 400 IP voice endpoints and things are lookin
>         good because of the proper L3 and QOS functionality that was
>         properly designed in to the final solution.
>          
>         Or, with cheap MAC switching you can just run seperate
>         networks.  I mean, why complicate things by converging voice
>         and data.  With L2 switching equipment so cheap.  But you'll
>         have to run two cat6 drops everywhere.  It's a trade off.  We
>         have done it both ways.
>          
>         Bob
>         Arreva Communications
>         
>          
>         On 2/3/08, John Williams <jw.ip.pbx at gmail.com> wrote: 
>                 Deal List,  Who are the low cost QOS LAN switch
>                 vendors with products supported by * for business
>                 grade voice service?  Thanks 
>                 
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>         
>         
>         -- 
>         Bob Murphy
>         Principal
>         
>         
>         Arreva Communications
>         www.arrevausa.com
>         
>         949-334-2022-SIP Connect
>         949-842-8450-Wireless
>         949-349-0209-Fax 
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