[K12OSN] phone system

[Tim Frichtel]

We're using Switchvox http://www.switchvox.com/ which is a commercial 
user-interface on top of  Asterisk (open source PBX code).  We've found 
it to be solid, and the support has been excellent.  It has voicemail 
and more. You basically buy a pre-configured system of server and 
phones.  For public announcements, it depends on your speaker system.  
We have amplified ceiling speakers that all connect to a Bogen TAM-B 
which connects to a Sipura ATA which is another extension on the phone 
system. We have 140 lines on a single Dell server.  One thing you'll 
need to think about is power to the phones.  If you go with Power Over 
Ethernet you'll need a new switch, otherwise, you'll have to provide 
power next to each phone :-(  Power redundancy is important - if you 
lose power, you can't call, which could put you in a bad spot, 
especially if 911 is needed.

Tim

Paul Lemke wrote:
> Hi all,
> 	This is not closely related to the list. but I don't know who else
> to ask. The school I'm currently helping has about 10 rooms. They want to
> put some kind of phone system in place to have a phone in each room. (why
> they didn't do this when they built the school boggles my mind) We already
> have cat5e ran to each room where the phone would go. 
>
> 	The question is. are there any open source implementations of a
> commercial phone system? Let's just say the bid we got to do the phone
> system was a little high for our low budget. So I'd figure I'd ask some
> other school's what they do. I was thinking of a VOIP setup utilizing our
> totally underutilized Fedora server. 
>
> 	Here are the basic requirements:
> 1. Use phones (not software phones)
> 2. Voicemail
> 3. Some kind of "Public Announcement" system
>
> Thoughts? Or can someone point me in the right direction? 
>
> Thanks!
> Paul 
>
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