[Asterisk-Users] Re: Mission-Critical Deployments

[Steven]

Note:  http://www.citel.com/products/handset_gateways/  sells a SIP handset 
gateway that will let you still use your Digital phones.
We used it for our old NEC phones.

-- 
-- 
Steven

May you have the peace and freedom that come from abandoning all hope of 
having a better past.
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"John Goerzen" <jgoerzen at complete.org> wrote in message 
news:slrndnp8u4.sne.jgoerzen at erwin.complete.org...
>I work for a company that is nearing the end-of-life on its existing
> Nortel Meridian switch and is considering Asterisk.  We have
> approximately 200 existing extensions, and probably 150 out of those 200
> are using basic analog phones and would stay that way.  The rest would
> have VOIP phones at the desk.
>
> We're seriously considering switching to Asterisk.  I've done quite a
> bit of tinkering with Asterisk for my home, but I'm not certain about a
> few aspects of how we might deploy Asterisk in the enterprise.
>
> Here are my questions:
>
> 1. Where could I look for some resources on server sizing?  Is it
>   any problem to support this number of users with a single server?
>
> 2. What do we need to do for our data network to make VOIP reliable?
>   QoS, basic traffic prioritization on the switch, vlan, ???
>
> 3. What's the best way to integrate these 150 analog extensions?
>   I've seen interface boxes that usually come in 24-port sizes.  Some
>   have an Ethernet/SIP interface to hook up to Asterisk, and others
>   have a T1 interface.  What sounds best and is the most reliable?
>
> 4. What is a good company to contract with for emergency support?
>   Digium?
>
> 5. What are people doing to make VOIP phones resiliant in the face of
>   power outages?
>
> Is there anybody here that would be willing to serve as a reference
> check for Asterisk should we pursue that path?
>
> Thanks,
>
> -- John
>
>
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