The PBX craging can happen on any system. Most key system don't have UPSs or battery backups. The larger ones do but the smalll 4 x 8 systems usually don't. The best practice would be to install a POTS line and adjust your dialplan to route 911 calls out the line. I would also add several line powered phones in paralell to that line. Call them powerfail phones and that's it.
You can get fancy and have the main number route to that number upon power failure.
-----Original Message-----
From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
To: 'Asterisk Users Mailing List - Non-Commercial Discussion' <asterisk-users@lists.digium.com>
Sent: Wed Jan 19 16:45:59 2005
Subject: [Asterisk-Users] E911 Testing !
I believe the 911 is a serious issue if one does an asterisk installation in an office. How do you test 911? Won’t they arrest you or something for dialing 911 for no reason and talking to one of their agents who could have taken a more important call?
On the other hand what an emergency comes up (like someone got seriously injured) and on top of that asterisk crashed all of a sudden bringing the whole office PBX down. Since it would be not be possible to place a call and emergency matter becomes more serious, who would be held responsible? The person who installed the PBX for not implementing a redundant and reliable system?
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