From dplappert's post: How to defeat echo cancellation
I often use the Lifesize Cloud client on Mac in 'Lecture' mode. Despite muting all other participants, the echo cancellation is active and is really diminishing the sound quality. Our previous on-prem Lifesize setup allowed us to disable echo cancellation (by disabling 'enhance audio quality'), but I don't see such an option in the Lifesize Cloud client. Am I missing something? If not, I'd like to call this a feature request.