There was a message on the answering machine that said to call them back at this phone number, so I did and then THEIR answering machine said, "All circuits are busy."  And then after that, it said something along the lines of this: "When you call back and try again, do 000-000," or something like that.  So I did..and now I know they're BOTH a spam number.  Anyway, it said my grandfather's name, and then my grandmother told me, as we were listening to the answering machine, that my grandpa didn't think he knew him (the caller).  So,