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It is? According to whom? One good rainstorm can knock phone lines out for long enough to mess up five nines for a LONG time.
by Bud 15y ago
It is? According to whom? One good rainstorm can knock phone lines out for long enough to mess up five nines for a LONG time.
- ams6110 15y agoI believe it's what they design for at the central switch nodes. The buildings would have entire rooms if not floors dedicated to nothing but 48 volt wet-cell batteries. Of course the "last mile" infrastructure is not so reliable. That said, in over 20 years I've had POTS service, I can't ever remember not having dial tone when I lifted the handset.
- bigiain 15y agoNot noticing downtime is not the same as not having it. I'll sell you 100% uptime at a much better price if you promise to only check whether you're up a few times a day...