[Magdalen] Blocking calls??

Brian Reid reid at mejac.palo-alto.ca.us
Sat Jan 4 19:34:56 UTC 2020

"Blocking" a number means making an entry  in a database noting that 
that number should not ring through.

There are 2 places where the call can be blocked.
   1. In your phone. The call reaches your phone but does not ring or 
   2. At your phone service provider. The call is not sent to your phone.

#2, blocking at the service provider, is much more effective but more 
tedious to enter. You can't just push a button on your phone. The 
problem with #1 is that most junk callers call from fake numbers, and by 
the time the call reaches your phone, the phone cannot tell where it is 
really coming from, only where it is pretending to come from.

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