Highway Telephone System

An emergency telephone system is a special system for drivers and passengers who are driving on special sections of the...

IP highway system

Highway IP network broadcasting system/Highway IP network emergency telephone intercom system, the selection, and setting off the highway background music...

IP PBX Telephone System

IP PBX is a system with an IP connection based on TCP/IP protocol, PBX is a switch that implements communication...

Port Telephone System

The system was suitable for port, and provide a voice channel in emergency situations. The high-quality microphone and loudspeaker can...

Fiber Optic Telephone System

It greatly improves the elasticity of the network, and any fault point will not have any impact on the current...

Railway Telephone System

The emergency telephone system is an IP emergency system specially set up in the subway. The emergency system is a...

Foglight Guidance System

The intelligent foglight guidance system is a kind of safety warming light, mainly installed on both sides of rainy and...