<一>The demand for two-way intercom voice communication system

In recent years, with the continuous increase of highway mileage and the continuous expansion of the area, the construction of modern network communication systems and command and dispatch systems for expressways has become indispensable, and a complete, advanced and modern network communication command has been built. The dispatching system transmits high-speed various types of traffic information to each driver in a simple and quick manner. It is an important symbol of highway information construction, which allows the driver to grasp the ever-changing traffic information of the road and keep the road. Smooth and improve the efficiency of road transportation. Especially in the event of sudden natural disasters and emergencies, the high-speed command and dispatch center can release information and organize emergency dispatch of vehicles and personnel in time, which is one of the emergency measures to reduce casualties and property losses. It can also be used for high-speed command and dispatch. An internal information communication tool between the center and each toll booth (kiosk) to realize the rapid transmission of internal information and the dispatching of the emergency.

<2> Main functions of the two-way intercom voice communication system

Intercom function

A full-duplex intercom between the toll booth (toll station) and the command and dispatch center is realized. When the toll booth (toll booth) has a vehicle punching card or an accidental traffic accident, the command and dispatch center can be quickly called to assist in processing.

Internal communication

The command transfer center and the toll station management office set up a desktop IP network to talk to the speech tube. With the internal dedicated network platform, an internal dedicated communication intercom system can be formed, which is suitable for command and dispatch center and toll station remote command and dispatch.

Remote broadcast

The command and dispatch center can remotely broadcast the toll booth through the desktop IP network microphone, play notifications, information transmission, call personnel, etc., and can also remotely call, divert traffic, and command traffic accidents on various alarm points on the expressway.

Emergency help

Set alarm assistance points in highway tunnels/bridges, etc. When the owner encounters an unexpected situation or a vehicle failure during driving, the helper terminal can quickly call to the nearest service area or management center with one button, and get timely guidance and help.

Play traffic information

When traffic jams or bad weather occur on the expressway, traffic grooming information can be automatically played according to real-time conditions.