[K12OSN] phone system

[Robert Moskowitz]

Tim Frichtel wrote:
> 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.
Trixbox comes with an open source PBX config gui.

one warning:

you install a new kernel (common with Centos upgrades), you havc to 
rebuild your FXO (zaptel) drivers.  But it is getting cleaner with each 
iteration.
>
> 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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>>   
>
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