EC 2019: ClearOne Shows Off Collaborate Live 1000 Room System With PTZ Camera and Ceiling Tile March 21, 2019 | Home / March 21, 2019 rave-video / EC 2019: ClearOne Shows Off Collaborate Live 1000 Room System With PTZ Camera and Ceiling Tile EC 2019: ClearOne Shows Off Collaborate Live 1000 Room System With PTZ Camera and Ceiling Tile