You need to check the contract with your Strata Manager (SM) to see what is included.
Our SM did offer to register our building with NBN & liaise with them on our behalf but as we have tech skills on the strata committee we are doing this ourselves.
At the very least I recommend your Owner’s Corporation read & register your lifts, fire control & alarm systems here:
https://www.nbnco.com.au/connect-home-or-business/information-for-home/device-compatibility.html
We also conducted an audit of lots with medical alarms & commercial telecommunications systems.