Who are you call n when I pick up phone you hang up what do you want?

Keeps calling, no messages

Report them to https://www.donotcall.gov/
that is the only way to stop brainless, greedy scamers/spamers
They do not speak because it is illegal to call phones that stay on do-not-call list, so they invent new scheme - bunch of people will CALL THEM in attempt to figure out who they are. That how catch is working, - this way you can't blame them
 

Survey on environmental issues and whether or not you would vote for a conservative or liberal candidate

Calls and when you pick up no one answers