We revisit last week's CommsDay Melbourne Congress and the discussions on the impending process to update NBN Co's special access undertaking which governs its wholesale terms and conditions. We hear from ACCC commissioner Anna Brakey, NBN head of strategy and transformation Will Irving and Aussie Broadband MD Phil Britt.

And NBN Co's Gavin Williams takes us through the technology behind the $750 million fixed wireless upgrade announced this week