This number calls my business cell several times a time.  They don't leave a message, and when I call back I get a recording saying the number is not in service, so I can't deal with them.

They ask for someone who does not live at my home.  I went through to prompts and the still came on the line asking for that person.  When I said sternly that there was no one by that name they just said sorry.  But they call back anyway.