It depends on how the VOIP was setup.
I worked for a telecommunications company for a while and they had
equipment in AT&T's Central Offices that basically had POTS on one side
and network on the other. Technically they had a VOIP system, but the
last mile would be run over AT&T's copper lines. When the customer's
power would go out, their phone would still work.
BJ
On Fri, 2012-08-17 at 11:39 -0400, David McFarlane wrote:
> At 8/17/2012 11:26 AM Friday, Troy D Murray wrote:
> > * The phones were VoIP, so those would function for 1 hour on
> > some backup system before they'd go off-line (I didn't understand
> > this and they didn't elaborate).
> Just a guess, doesn't VOIP require internet and a working power
> supply? By contrast, POTS (analog) supplies power from its own separate grid.
>
> -- dkm
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