What is the abbreviation of FAS in FAS system (that is, dispatching communication system)

FAS and private branch exchange are the same equipment, but in different occasions, they have different configurations and different names. In GSM-R network, they are called FAS, which is the abbreviation of FixedusersAccessSwitching.

System characteristics

high reliability

The system runs stably and reliably. The design adopts the mode of dual CPU, dual switchboard and dual power supply to ensure that the system can still work in case of emergency.

Powerful real-time performance

The hardware equipment adopts embedded operating system and real-time communication software, which has the advantages of short startup time, fast response and stable system operation.

GSM/CDMA wireless handset module relay

GSM/CDMA wireless handset module, as the backup channel of wired relay, will not completely block communication when the switch at the opposite end fails or the relay cable is interrupted.

Echo suppression function

The system has powerful echo suppression function, which can realize 240-party conference without blocking and has good sound effect.

Intelligent detection signal

The equipment has simple outgoing line, convenient plugging and unplugging, and firm connector connection.

Plug and play design is only possible on the interface, which reduces the complicated configuration. For example, for digital relay, the equipment can automatically detect the signaling type and automatically configure the corresponding signaling parameters.

Push-to-talk function

For users with multiple phones, when an emergency happens, they can make a group call or transfer the call to all their numbers as needed, or click the user icon to make the corresponding call.

Short message sending and receiving function

Dispatchers can conveniently send SMS notifications to specific users and a group of users on the touch screen.

Phone book function

Establish the user's telephone directory so that the dispatcher can quickly check the telephone number and make a call.

According to the requirements, different call group schemes are set for group calling.

Disturbance telephone inquiry function

The system provides harassing phone inquiry function, which can inquire the source of harassing phone and set it as called control mode.

Flexible call setting function

You can add, delete and modify the information of maintenance personnel, and carry out safety management for maintenance personnel. At the same time, the system administrator can set the operator's call operation authority. For example, operators on duty at different levels can make calls at different levels.

Facsimile unified sending and receiving function

According to the special needs of radio and television users, a unified fax receiving and sending system with encryption function is developed, and the system initially supports 32 channels.