Denial of Service Attack on U.S. Cellphone Carriers?

qslim

The Man with the Big Yellow Car
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I picked up my T-Mobile personal cell on the way home to call the wife (shared plan) but the call wouldn't go through, just dead air. Tried a few times. Then I used my Verizon work phone & got a robot saying the call couldn't be completed. Then I tried calling my personal cell and it said the same thing. Tried calling T-Mobile customer service and it just rang. I tried calling the local T-Mobile service & no one picked up there either. I googled the T-mobile web chat thing and the first thing that popped up was this:

https://www.the-sun.com/news/987168/ddos-attack-t-mobile-outage-facebook-instagram-us/
Not sure why someone would do this, or if it even is a denial of service attack? I know the Sun is just short of a complete tabloid, I wonder what the deal is.
 
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I picked up my T-Mobile personal cell on the way home to call the wife (shared plan) but the call wouldn't go through, just dead air. Tried a few times. Then I used my Verizon work phone & got a robot saying the call couldn't be completed. Then I tried calling my personal cell and it said the same thing. Tried calling T-Mobile customer service and it just rang. I tried calling the local T-Mobile service & no one picked up there either. I googled the T-mobile web chat thing and the first thing that popped up was this:

https://www.the-sun.com/news/987168/ddos-attack-t-mobile-outage-facebook-instagram-us/
Not sure why someone would do this, or if it even is a denial of service attack? I know the Sun is just short of a complete tabloid, I wonder what the deal is.

T Mobil stated it was their routing system causing the issues.

Has not affected my phone on Cricket wireless.

https://www.geekwire.com/2020/t-mobile-hit-voice-text-outage-due-widespread-routing-issue/