Système téléphonique ferroviaire
Classification: Système de chemin de fer et de métro Heure de sortie : 2022-05-11 Pageviews:16994
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.