Who called from 6502877948

Two calls, no response when I answer. Busy tone when I call back.

no message

Keeps on calling, leaves no message. No answer when called.

Another pc repair scam....sats he's from  Microsoft and there is qa technical  problem with your pc and he will fix it for $49.00

Picked it up and played this for them https://www.youtube.com/watch?v=8OQtJaV54bs  start it at 13 seconds. So far seems to be working. Every number I play that for, doesn't call back lol.  Tired of these phone calls.