They called here. I found helpful information on Amazon to block all calls. They call once and I can choose to block them. It is real techniques that makes sure they do not call twice. I found it here: :
I got a call from this number today. When I answered, no one said anything. Then I heard some rustling around and a man say "Hello can I speak to Jessica". Directly after that, he hung up. I called back and dialed "1" to have my number removed from the list.
many days ago I recieved calls from this number and they did not say anything. Yesterday I also recieved a call and today around the same time they called again but they did not say anything.