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A comment on T-Mobile, Verizon and AT&T phone calls are failing across the US. Parent comment

Re:T-Mobile, Verizon and AT&T phone calls are failing across... by posguy on Monday June 15, 2020 @09:47PM (#23535143)
No, T-Mobile forces everything through Inteliquent (aka Onvoy/Vitelity) as of a few years ago.

They all likely share the same STIR/SHAKEN vendor, and Comcast is affected too (Comcast has working STIR/SHAKEN that interacts properly with T-Mobile and Verizon). Wonder if their shared STIR/SHAKEN vendor broke these calls?

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Re:T-Mobile, Verizon and AT&T phone calls are failing across... by bori5 on Tuesday June 16, 2020 @05:33AM (#23537306)
Interesting had to search what stir/shaken was. Not obvious to the layperson.
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