What crazy ways do you have to get rid of unknown callers or numbers not available?

Question

What crazy ways do you have to get rid of unknown callers or numbers not available?

Answer 1

I know it sounds off the wall, but I don't answer those calls. Very effective.

Answer 2

press *77 try it might work on your phone It will block unknown callers and numbers they might have to show their Number. If that does not work contact you phone provider explain you are getting annoy with callers whom call and hang up or just keep calling. They will more than happy be willing to help you have the Call rejection service.

Answer 3

Change your number......

Answer 4

Just let the id pick up  and they will get tired of calli ng