Optus has resolved a voice calling outage that affected customers in Victoria, South Australia, Tasmania and the Northern Territory for about one hour and 15 minutes on Friday afternoon. The company said it became aware of the issue at 1:30pm and restored services by around 3pm.
During the outage, 41 calls to Triple Zero experienced difficulty connecting via Optus to Telstra's national emergency call operator. Triple Zero Victoria's (TZV) chief operations officer Paul Santamaria said Optus provided details of around 40 of those calls to Victoria Police.
"Victoria Police Communications Liaison Officers located in TZV communications centres conducted welfare checks with the affected calls," Mr Santamaria said.
An Optus spokesperson said the company identified the issue within minutes through its network monitoring systems and immediately mobilised technical teams. "Optus identified the issue within minutes through its network monitoring systems and immediately mobilised technical teams to restore services while activating established escalation processes and engaging relevant stakeholders," a statement said.
Victoria Police confirmed it had completed about 40 checks on impacted callers. "There were no adverse outcomes or issues of note," police said.