What is mobile domestic roaming? Here’s why Australia needs this policy

Telstra’s national mobile network outage last week was one of the worst incidents of its kind in living memory. More than 600 calls to Triple Zero were not connected, putting lives at risk. Public transport services in New South Wales and Victoria collapsed, causing commuter chaos. And businesses, especially small to medium ones, may have lost millions in revenue. Making matters worse, Telstra had been warned about the need to ensure that “single point of failure” problems did not cause…