Telstra CEO Vicki Brady said an external investigation by Technology Audit Partners found that a network timing system failure caused the national mobile outage on July 8. Incorrect date information spread through parts of the network after planned maintenance when a GPS card reset to 2006 after equipment was restored at 2:50 a.m. The card lacked a firmware update for a known fault, while alarms were not visible to round-the-clock support teams and records of the system and maintenance work were difficult to locate. The outage disrupted Triple Zero emergency calls, trains in Victoria and New South Wales, and eftpos terminals nationwide. Telstra later disclosed eight failed Triple Zero calls that did not receive required welfare checks at the time, in addition to hundreds of unsuccessful calls previously reported. The company has since completed the checks. The review said Telstra had not given the timing system the priority of a critical network capability and identified gaps in ownership, visibility and operational support. Telstra accepted the findings and recommendations, while Brady rejected claims of insufficient funding, saying the company employed about 2,800 network engineers and had spent more than A$19 billion on capital works and spectrum over five years. The board cut Brady’s pay by more than A$600,000 and reduced senior leadership compensation by just under A$2 million. More than 30,000 customers have sought compensation, and Telstra has issued just under A$1 million in credits. The company said the remedial measures would not affect its full-year 2027 outlook. The outage has also prompted a Senate inquiry and a communications regulator investigation that could lead to a fine of up to A$30 million.