In one of many possible embodiments, a system includes a media content provider subsystem providing media content over a closed media network and a closed media network access device communicatively coupled to the media content provider subsystem by the closed media network. The closed media network access device is configured to receive the media content over the closed media network, provide at least a component of the media content to an output device for presentation to a user, receive audio input including user voice input provided by the user, and utilize the user voice input in at least one of a voice command application and a communication application.