Same for me, just barred it since reading the same issues on this website.

I don't understand why these numbers call if they arent connected. Can someone explain? I am getting about 10 calls a day from different numbers...

This number is calling about once a day. Hangs up as soon as I answer. When I call back automated voice says the number is 'not in service'. Very annoying.

Like above when you answer it hangs up and when you call back it is not connected. Scam number.

Just got called from this number. Barring number.

Got a couple of calls. As soon as I answer it hangs up.

I have received a call from this number once a week after answering there was automatic hang up. It is most frustrating...as when u call back an automated message by an American female says that this number has been disconnected...while obviously it hasn't because I keep getting calls from them.

I've received a call from a number
(02) 8897 0814. When I answered, the call get hung up. When I called back that number, after rings up for few times, the operator said, " this is not a listed number".

I'm on the do not call register and they are calling a few times a day

As above

Scam caller. I didn't answer, but then I called the number back and got automatic recording "invalid number".

They call and there is nobody there - the number is disconnected

This number constantly calls 3 to 4 times per day or night - when you answer there is no-one there and they leave no message.
Very annoying.
How do you stop these unwanted calls?