Vodafone says it is urgently investigating a mass national outage after some customers lose access to services. Multiple reports state that during the disruption, customers are locked out and can only make emergency calls. The outage affects users across Australia, prompting customers to be unable to use standard mobile services while emergency calling remains available. Vodafone has not, in the reports provided, detailed the cause of the disruption, the scope of affected users, or a timeline for restoration. The company’s message focuses on active investigation as it works to understand what happened and to restore full connectivity. Customers experiencing the problem report being unable to use their phones for non-emergency communications, while emergency services remain reachable. Authorities and other network stakeholders are not mentioned in the provided summaries, and no confirmed technical findings are reported. The company continues to investigate while connectivity is being assessed and addressed.