Question: Upon receiving an MCPTT (Mission Critical Push To Talk) call release request, what actions should the Interworking Function (IWF) floor participant take regarding floor control messages and RTP (Real-time Transport Protocol) media packets?
Option 1: Continue sending floor control messages but stop sending RTP media packets.
Option 2: Stop sending floor control messages and continue sending RTP media packets until a specified timeout.
Option 3: Stop sending both floor control messages and RTP media packets immediately.
Option 4: Modify floor control messages to indicate call termination before stopping all packet transmissions.
Explanation: When an MCPTT call is being released or the IWF floor participant leaves the call, it's crucial for the IWF to promptly cease all related transmissions to efficiently utilize network resources and respect the call state change. Stopping both floor control messages (which manage the speaking rights) and RTP media packets (carrying the actual voice/data) ensures a clean release of the call resources, aligning with efficient and orderly communication protocol practices in mission-critical scenarios where reliability and swift action are paramount.