Listening in to a DECT Digital Cordless Phone with a HackRF

Over on YouTube SignalsEverywhere (aka Corrosive) has uploaded a new video where he shows a demonstration of him listening in to a DECT digital cordless phone with his HackRF.  DECT is an acronym for 'Digital Enhanced Cordless Telecommunications', and is the wireless standard used by modern digital cordless phones as well as...