THey said they are from the computer company and my computer is radiating errors. To correct it, I had to go to the compute and type CNTRL-Window button.
I have received a few single ring phone calls from 808-797-2058. I believe the strategy is to call the number back. It is absolutely unwanted and pure nuisance. I have asked them to remove my phone number from their call list and still I receive the ring.