The Senate Environment and Communications References Committee is tackling last week’s Telstra outage today in Canberra.Telstra CFO Michael Ackland.Simon SchluterAt midday the committee will grill the top brass from Telstra regarding the mechanics of the outage and the telco’s emergency response infrastructure. Set to front the committee are:Ms Vicki Brady, Chief Executive OfficerMr Michael Ackland, Chief Financial Officer and Group ExecutiveMs Jane Elkington, National Manager, Triple ZeroMr Gerard Tracey, Group Owner, End-to-End Service Performance and ResilienceMr Bill Gallagher, Executive, Regulatory and LegalMs Lanai Scarr, Head of Government RelationsThen after a two-hour block with Telstra, the focus will shift at 2pm to regulatory oversight and government accountability. The committee will hear concurrently from the media regulator ACMA and the overseeing federal department.