Australia news live: Optus identifies seven more people unable to call triple zero; Meta to use AI to detect under-18s

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Any penalties would be financial, not criminal

The Australian Communications Media Authority said any penalties would largely be financial if imposed, adding the body could also seek enforceable undertakings from Optus.

Triple zero and emergency call services are a fundamental requirement for all telcos. They are there for people at their most vulnerable and they have devastating effects if they are not in place. We have seen that play out over the last few days.

We have started that by alerting Optus to the investigation being under way. We will be seeking significant information from Optus. Telco networks are complex much we will need time to dig into what has exactly happened here.