Public announcements are being made, calling players to available seats from several locations during the room.
One that I will say essentially the most relevant example is Stud, it is undoubtedly a more pure poker variation, you can for its historic past and difficulty in having fun. https://tingamegenz.com/giai-tri/cong-game-rikvip-san-choi-dang-de-trai-nghiem/23530