SITR/SHAKEN implementation in effect today (June 30 2021)

Michael Thomas mike at
Sun Jul 11 15:47:23 UTC 2021

On 7/10/21 12:09 PM, bzs at wrote:
> No, the root of the problem is the telcos making billions on these
> robocalls. Make that illegal, start fining them billions (whatever it
> takes), and it will stop.
> We've already had this discussion on nanog, recently, and people who
> were in that business stood up to affirm that yes indeed-y they're
> (telcos) making big buck$ on these robocalls.
> If you doubt that (the usual "I don't actually know a thing about it
> but I want to say here that I'd rather not live in a world where
> that's true so I'll make some vague analogy to email spam etc") I
> suggest you start making thousands of phone calls per hour and tell us
> how it works out.
> Telcos aren't email systems, they know every phone call terminating
> and originating on their systems and they do detail billing. When was
> the last time you made even one billable call and they missed it?
> Telcos have often been described as vast detailed billing systems with
> a voice (etc) feature attached.
> But they sure are taking advantage of the public's belief that this is
> all somehow out of their control. Nope.

The cynic in me would say that STIR was a 10 year long way to delay 
cutting off the gravy train that could have been done simply by regulation.


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