-According to the principle of first come, first served, automatically assign numbers and arrange customers' service order fairly.
-Display current call information, let customers know their number and waiting time, and avoid missing or repeating calls.
-Provide voice prompts and broadcast call information to customers and employees through speakers or headphones to improve efficiency and accuracy.
-Collect and analyze data, record the call time, service time and service type of each number, and provide basis for the management and optimization of the business hall.