Disclosed is a method and system for transferring and applying a floor control scheme when a Push-To-Talk (PTT) over Cellular (PoC) session is established between PoC clients supporting various types of floor control schemes (e.g., media burst control schemes). According the method and system, when a PoC client providing Open Mobile Alliance PoC multimedia communication service supports a plurality of floor control schemes and there is no floor control scheme appointed to be supported in a session, a floor control scheme requested by a PoC session establisher is transferred through a PoC session establishment procedure and is applied to the session.