7 News Telstra finally pinpoint cause of crippling nationwide network outage 2 months ago The News Room Software issues during maintenance work on Telstra servers on Exhibition Street in Melbourne have been pinpointed as the cause of last week’s outage that saw 600 customers unable to call triple-0. #Telstra #telco #outage Post navigation Previous Why 20-year-old photo of Lionel Messi has suddenly gone viralNext Behind Indonesia’s anonymous fashion watchdog | ABC NEWS