Question: What is the primary function of the Media Mixer entity, as it relates to User Equipment (UE) in Mission Critical Video (MCVideo) communications?
Option 1: To prioritize signaling messages for efficient network resource allocation.
Option 2: To combine multiple media streams into a single stream based on predefined media policy information.
Option 3: To encrypt MCVideo content files for secure storage on the UE.
Option 4: To manage Quality of Service (QoS) parameters for individual media streams.
Explanation: The Media Mixer's key role is aggregating multiple media streams into one, utilizing media policy information. This function is crucial for efficient transmission and reception of MCVideo content, ensuring multiple feeds can be seamlessly integrated and managed on the UE, aligning with mission-critical communications requirements where clarity and real-time video feed integration are paramount.