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At least they’re in SOS mode. When Rogers in Canada had a total blackout (cellular, home internet, MPLS, corp circuits, their radio stations , everything), phones showed zero bars, but the towers were still powered on and doing some minimum level of handshake so phones didn’t go into SOS mode.

If you tried to make a 9-1-1 call, it would just fail. It wouldn’t fail over to another network because the towers were still powered up but unable to do anything, and Rogers couldn’t power them down because their internal stuff was all down.

Like a day later they said you could remove your SIM card to do a 9-1-1 call. Thanks guys.

Of course, no real info from the provider during the outage. Turns out they did an enterprise-risking upgrade on a Friday morning and nobody at the org seemed to have a “what if this fails plan”. CTO was on vacation and roaming phones were black too and he thought it was just an issue for him.

https://en.m.wikipedia.org/wiki/2022_Rogers_Communications_o...




Some people earlier on this morning said they couldn't make 911 calls. I wonder if it was the same issue and perhaps AT&T cut the towers completely pending a fix. Purely speculation.




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