[asterisk-biz] Paranoia, Dell & 3COM
bob murphy
springsource at gmail.com
Mon Feb 4 10:49:25 CST 2008
Yes I concur that the Dell switches are a good functional choice as well.
And priced right.
On 2/4/08, Bob Pierce <pierceb at westmancom.com> wrote:
>
> 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 (The Dell recommended models on the Wiki are out of date)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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--
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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