I didn't answer the call I got from this number but I get exactly the same calls from numerous other numbers - often everyday. Answer the call, it seems there's either no one there or they're just not saying anything like a creep, prank caller would and then I get the hang up tone. This has been going on for years, often, as mentioned, it's everyday, sometimes it's occasional, sporadic or it may not happen for a week or two but it continues to go on and on. It's got me beat how the so called authorities in this country allow this to go on, particularly when you try to ring these lovely people back to give them a piece of your mind and ask to have your number removed from their dailing list, only to receive a message similar to 'this number does not exist or has been disconnected, please check the number and try again' pffffftttt!!!!!

I received a call from this number, I did not know it, answered it and the caller hung up.

Same here.