Telco outlines reason for network failure that hit mobiles, trains and retailers ahead of appearance at Senate inquiryFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastTelstra has blamed the lack of a software update for a key time-keeping system for outage that caused nation-wide chaos last week, with its maintenance teams also unaware of a design change that affected how it would reset.Ahead of an appearance by its chief executive,
Telstra blames missing software update and undocumented design change for massive outage
