[asterisk-biz] Paranoia, Dell & 3COM
Bob Pierce
pierceb at westmancom.com
Mon Feb 4 10:29:42 CST 2008
We are using Dell PowerConnect 3448P for voice&data switches with qos
and separate vlans for data and voice.
Bob
On Mon, 2008-02-04 at 09:55 -0500, John Williams wrote:
> 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 (The Dell recommended models on the Wiki are out of date)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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