Rang back immediately and number is disconnected, i suspect insurance scam

Calls you regarding a car accident
One Australian lady called then an Asian sounding man

They asked for my Son's Name, couldn't understand the guy when i asked him who he was and where they were from he hung up?

I kept calling the number back but was constantly busy?

Caller purports to be from and insurer and inquires about an accident. Want to know if they can help - with a fee of course!

I rang back the number (08) 6118 1899, spoke with someone who hung up right away

Called back on the landline and the number is not answered