The system, built in compliance with Italian Railway regulations, integrates and manages, through a specific GIS-based graphical interface, both the SOS telephone service and the Audio Advice of Emergency arranged along one or more tunnels.
A fully redundant fiber-optic network;
A distributed DBMS provided by a cluster of servers;
A Call Manager in redundant configuration;
Several Workstation multiscreen;
SOS cabinet for emergency call with VoIP phones, audio advice amplifiers, alarm collection and carry out of PLC remote commands.