From: johnl@iecc.com   
      
   It appears that Bill Horne   said:   
   >On Fri, Apr 16, 2021 at 03:07:43AM -0000, bob prohaska wrote:   
   >> In the past year or so the flux of robocalls seems to have   
   >> increased.  Lately I'm getting five to ten per day.   
   >>   
   >> Is there a way to track them? CallerID I gather is spoofable, so   
   >> that's not very interesting. Do phone carriers keep any records of   
   >> inbound calls? Can ratepayers examine them?   
   >   
   >Oh, my my my ... where do I start?   
      
   Probably with STIR and SHAKEN. The FCC has gotten buried in complaints   
   and with prodding from Congress, is actually doing something about it.   
   STIR and SHAKEN put cryptographic signatures on the setup messages for   
   VoIP calls so the terminating telco can reliably tell which telco is   
   sending it.  They have to do this by June, and if they don't, telcos   
   are allowed to drop unsigned calls and certainly will do so.   
      
   FCC press release here:   
   https://docs.fcc.gov/public/attachments/DOC-363399A1.pdf   
      
   R's,   
   John   
      
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