Echo Turn Detection is a real-time timing layer that transitions voice agents from rigid, walkie-talkie-like interfaces to natural, human-like dialogue. By analysing linguistic patterns rather than simple silence timeouts, Echo delivers up to 96.2% turn-taking accuracy and 25x fewer missed turn endings, allowing users to pause, hesitate, interrupt, and backchannel naturally. The Turn-Taking Challenge In a voice agent pipeline, speech recognition gets most of the attention. But knowing what th