Hungary

CCTV systems enable real-time viewing of onboard cameras and continuous video recording

TCMS establishes communication between the vehicle and the trackside.

An ATP application onboard (EVC: European Vital Computer) can initiate a data communication to the ATP application trackside (RBC: Radio Block Center) responsible for the train's movement.

Railway emergency communication (REC) is used to communicate during an emergency situation.

Multi-train voice communication is used to communicate operationally between drivers and controllers

A controller is able to initiate voice communication with the train driver.

A train driver is able to initiate a voice communication with the controller(s) responsible for the movement of the train.