Joiwo supplied industrial tunnel telephones for a road tunnel communication project in Norway. Installed at emergency call points, maintenance areas, and safety locations throughout the tunnel, the telephones provide dependable communication between tunnel users, maintenance personnel, and traffic control centers.
Designed to operate reliably in harsh underground environments, the telephones combine rugged construction, clear voice transmission, and long-term durability. The solution improves emergency response efficiency and enhances the overall safety of road tunnel communication systems.
