Again with the robot voice again like another number (02) 6100 3820- when you call back, it rings and "disconnects" - how to stop this rubbish?

computerised voice recording on other end claiming lawsuit and to call back ASAP.
Will not be calling back

Caller: Spam call

Machine recorded male voice message "from the Tax Office" called to say you "have a law suit filed under your name" and "if you don't call back, we will have to get you arrested"..what a joke!

Scammer robot voice claiming to be from ATO and lawsuit against my name.