Australia's telecommunications giant Telstra is set to face intense scrutiny after revealing the root cause of a nationwide network failure that left millions without mobile service, disrupted train schedules, and crippled retail operations. According to a written submission to the Senate inquiry, Telstra blames the outage on a critical software update that failed to synchronize with a key time-keeping system, leaving the network in disarray. The company's maintenance teams were also caught off guard by a design change that affected how the system would reset, exacerbating the problem. As the inquiry into the mobile outage gains momentum, Telstra's CEO, Vicki Brady, will appear before the Senate to answer questions about the company's preparedness and response to the crisis.


Telco outlines reasons 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 nationwide 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, Vicki Brady, at a Senate inquiry into the mobile outage on Friday, Telstra provided a written submission that revealed the cause. In it, the company stated it did not lack redundancy in its network – but that such redundancy did not prevent the outage. Continue reading...