The system facilitates immediate two-way communication between individuals inside a lift experiencing difficulties and a monitoring center. It is typically activated when a passenger presses a designated button within the car, indicating a need for assistance. For example, if a lift becomes stuck between floors, a passenger can use this equipment to contact support personnel.
This function is paramount for passenger safety and regulatory compliance. It provides reassurance to those using vertical transportation solutions, particularly in situations involving entrapment or medical emergencies. Early implementations were often basic analog systems, whereas modern iterations frequently incorporate digital communication and remote monitoring capabilities to ensure swift responses and minimize downtime.