Telcos will face new obligations to ensure emergency calls are carried by other networks in the event of an outage and share real-time network data with a new co-ordination body under the biggest overhaul of the rules governing Australia’s Triple Zero system in a decade. A post-incident review of the nationwide Optus outage that left millions of Australians without mobile or broadband connectivity last year made the recommendations after finding gaps in existing regulatory arrangements, industry codes and other guidelines. The 46-page report, to be released on Tuesday, was commissioned the morning after the outage last November and conducted by former communications watchdog deputy chair Richard Bean.