In article ,
Jim Rusling wrote:

My longest power outage was about 39 hours, caused by an ice storm.
When the batteries on the cable system ran down I lost my cable. I
gave them a call and they brought a generator out for the cable plant.
I did have to call them a couple of times when it ran out of gas. When
they started offering phone service, they installed automatic NG
generators to prevent outages.

There it is: Protacted land line/voice outages should be increasingly rare.
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JR