A first off-network wireless device discovers a second off-network wireless device and a third off-network wireless device. The first off-network wireless device transmits first media traffic employing a first session to the third off-network wireless device. The first off-network wireless device receives a floor request message from the second off-network wireless device. The floor request message comprises an organization field identifier and an organization identifier. The first off-network wireless device determines a call priority based on the organization field identifier and the organization identifier. Based on the call priority, transmission of the first media traffic to the third off-network wireless device is terminated. The first off-network wireless device starts transmission of second media traffic to the second off-network wireless device employing a second session.