Rang back and automated msg says mail box full, please call bak later

Caller: A person called barbara

From solar solutions told her we are on the do not call register and said that she was breaking the law she hung up

Rang land line twice in less than an hour. Never left a message.

Caller: 0429 673 416

Could be a scam, sometimes there is just a beep then an automated voice that says "thank you" then hangs up..
Other times it just hangs up instantly...

Same as message above

Ongoing scam caller asking for "Mr Blake". I've blocked so many of these Blake calls in the past but they keep spoofing numbers to get through