Caller: Solar Panel Installer.

Another call from someone, asking if I was aware of the government solar rebate.
Don't know the specific company, didn't ask.
But they are extremely annoying and persistent. No matter how many times I tell them I'm not interested, they keep calling back.
I am already registered in the governments, "Do Not Call Register", but they keep calling anyway! And their number constantly changes. So when you try to look the number up, or call back, the number doesn't exist!