Last year, Australian operator Optus experienced every MNO executive’s worst nightmare: an emergency services telephone number outage. Over 600 users struggled to make emergency calls, also called Triple Zero calls, in one particular incident last year. While our coverage of the wireless world often focuses on the dynamic between mobile operator and vendor in terms of the price of equipment and services, the Optus incident brings to light the importance of a good working relationship between the two. A postmortem incident report of the outage calls for a more cooperative and productive approach between operators and vendors. A key part of the failure was that it lasted almost 14 hours, during which time 605 Triple Zero callers sought to use…