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ATT’s botched network update caused yesterday’s major wireless outage
(arstechnica.com)
This is a most excellent place for technology news and articles.
I was under the impression that a company (AT&T) owns the tower, and they can lease out connections from that tower to other providers. They are also required by law to route 911 calls for free, but I can see a scenario if they botched the routing where 911 would not be accessible from that tower.
They don't always own the tower. Like everything in America, another company fronts the cost, att pays them for tower use. And the other carriers. It's a business model.
That makes sense. I wonder how many AT&T towers were affected. To my knowledge, no one in my area on the east coast was affected if they tried calling 911, just standard numbers.