The ACMA chair says emergency call failures are devastating, and points out OPTUS copped a 12-million-dollar fine just last year for a similar breach. See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

The ACMA chair says emergency call failures are devastating, and points out OPTUS copped a 12-million-dollar fine just last year for a similar breach. See omnystudio.com/listener for privacy information.

The ACMA chair says emergency call failures are devastating, and points out OPTUS copped a 12-million-dollar fine just last year for a similar breach.&nbsp;See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

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Optus faces heat after triple zero chaos as regulator warns of devastating failures

Optus faces heat after triple zero chaos as regulator warns of devastating failures