System and method for preempting real-time communications based on presence and preference information

The invention relates to a method for providing hot line and grab function communication system in real-time communication session, comprising a collector the inner entity's online information and selecting first online information's and server for processing and system for communication session the communication manager of request with the online entity. Online information a online entity the availability for device, and first selecting information comprises awarding the online entity one or more viewer's and ranks. The receiving from viewer and request of novel communication session part is enhanced media designation type, and responded in a communication session is configured carried out of the MOST type for online entity is available, the communication manager by novel communication conversation and a communication session's viewer's and rank, wherein the new communication session's viewer's and rank is higher than a communication session's viewer's and rank, a grab communication session.