Железнодорожная телефонная система
Классификация: Система железной дороги и метро Release Time: 2022-05-11 Pageviews:16991
The emergency telephone system is an IP emergency system specially set up in the subway. The emergency system is a complete set of communication systems. The communication system centrally manages the emergency help point of the platform, the waterproof anti-electromagnetic interference telephone in the tunnel, and the intercom of the subway elevator. The intercom uses the IP PBX system to host all IP intercoms using the IP PBX server.