[Freeswitch-users] Alarm, KISS OFF

Miha miha at softnet.si
Fri May 3 23:39:54 MSD 2013


Steve,

so there is nothing I can do? It must be something on line?
Is there any function/application that I can set so that
this will help alarm device?

Thanks!
Miha

On Tue, 30 Apr 2013 08:27:47 +0800
 Steve Underwood <steveu at coppice.org> wrote:
> The commonest alarm protocol is Ademco Contact ID and it
> variants. This 
> is very undemanding of the channel, and it would take a
> pretty broken 
> VoIP connection to stop them working. VoIP channels tend
> to fail for 
> alarms when people ignore the fact that VoIP usually uses
> mains powered 
> terminals, with no battery backup. A simple power outage
> means no 
> 911/999/112/whatever calls, and no alarm protocols.
> That's the real 
> weakness.
> 
> Steve
> 
> On 04/30/2013 02:15 AM, Steven Schoch wrote:
> > Speaking of alarm systems over VoIP, here's a story of
> an alarm 
> > company that was sued by the estate of a murdered woman
> because her 
> > alarm system failed to notify the central station when
> the attacker 
> > broke in. It turns out she had switched to VoIP a few
> weeks earlier, 
> > which caused problems: 
> >
>
http://www.security.honeywell.com/hsc/documents/alarmorg_VoIP.pdf
> >
> > Here's something from an alarm company: 
> > http://www.thealarmcompany.com/files/voip%281%29.pdf
> > And from another alarm company: 
> >
>
http://bentleyalarm.com/why-voip-is-bad-for-your-alarm-system/
> >
> > Bottom line: I'd think really hard before switching an
> alarm system to 
> > VoIP. When we switched the company to VoIP, I was able
> to get a very 
> > inexpensive measured line for our alarm system. (We
> also use it for 
> > incoming FAX, because it works.)
> >
> > -- 
> > Steve
> 
> 
>
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