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At a previous employer (large .edu), we moved to VoIP several years ago but keep several PSTN lines -- including all of the emergency ones, such as for the elev
by jlgaddis 10y ago
At a previous employer (large .edu), we moved to VoIP several years ago but keep several PSTN lines -- including all of the emergency ones, such as for the elevator. We could have moved them to VoIP as well but we figured, in a true emergency, it was one less thing to have to worry about.
- godzillabrennus 10y agoIn Chicago building codes mandate elevators have a pstn line in place. Even luxury homes with small elevators.
- hexane360 10y agoWell, I mean people have died from being stuck in their own elevators: http://www.cbsnews.com/news/elderly-couple-dies-trapped-in-home-elevator/ http://www.cbsnews.com/news/elderly-couple-dies-trapped-in-h...
- walrus01 10y agoMost large cities' building codes mandate auto-start/auto-transfer backup generators for elevators in buildings over a certain height. It is sometimes possible to put critical equipment on a generator backed circuit (such as a 48-port 802.3af PoE switch providing power to phones).