[asterisk-biz] Paranoia, Dell & 3COM

[John Williams]

Bob,
What are you using for a LAN switch?
Thanks!


On Feb 4, 2008 9:24 AM, Bob Pierce <pierceb at westmancom.com> wrote:

> 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 (The Dell recommended models on the Wiki are out of date)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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