Abstract: A method and system for informing a subscriber unit in a trunked communication system of whether a talkgroup is occupied. The method and apparatus receive a request to communicate with the trunked communication system and select a talkgroup of the trunked communication system. The method and system also communicate with a system controller to transmit information about the subscriber unit comprising at least the selected talkgroup. Further, the method and system determine whether the selected talkgroup is occupied by one or more subscriber units in the trunked communication system and indicate the determination of whether the selected talkgroup is occupied to the subscriber unit.