Have received several calls from this number 0432 066 444 and very similar numbers 0432 066 427 and 0432 066 425) in the past months. No one responds when I answer.
Called the number back from my office line today. Recorded message stated "Optus advises that the number you have dialled has been disconnected". Please be aware that this may be some scam caller who is trying to potentially use a disconnected number.

Caller hung up when I answered the call. Received call from similar number 0432 066 425 on 05.May.22 and 0432 066 427 on 04.May.22 with same outcome.