Total terminal system and operating method thereof

A total terminal system comprising:

• a front-seat total terminal provided in a front driver compartment of a taxi vehicle and configured for use by a driver of the taxi vehicle, wherein the front-seat total terminal comprises:
• an application program device configured to execute a plurality of application programs provided for operation of the taxi vehicle;
• and
• a data management device comprising a plurality of service data storage units configured to store data for providing a plurality of services related to the operation of the taxi vehicle;
• and
• a rear-seat total terminal provided in a rear passenger compartment of the taxi vehicle and configured for use by a passenger of the taxi vehicle,
• wherein each of the plurality of service data storage units is bound to a corresponding application program among the plurality of application programs,
• wherein a first application program among the plurality of application programs is configured to write first information to a corresponding first service data storage unit among the plurality of service data storage units, and wherein the first service data storage unit is configured to transmit the first information to a second application program among the plurality of application programs, the second application program being connected to the first service data storage unit in a broadcasting manner,
• wherein the second application program is configured to receive information about a call request from a call/dispatcher server that manages a call/dispatcher and write information about the received information to a second service data storage unit among the plurality of service data storage units, the second service data storage unit being configured to store service data related to the call/dispatcher, wherein the first application program is configured to write a business status of the taxi vehicle to the second service data storage unit, and the business status includes a traveling status or an empty status,
• wherein, in response to the first application program writing the business status as the empty status to the second service data storage unit, the second service data storage unit is configured to transmit information indicating an empty car to the second application program, and the second application program is configured to switch to a call waiting state, wherein the first service data storage unit includes a travel charge field, a toll fee field, and an additional charge field,
• wherein the first application program is configured to:
• calculate a travel charge by measuring a moving distance of the taxi vehicle in response to selection of a travel button;
• write the travel charge to the travel charge field of the first service data storage unit;
• and
• receive an additional charge by the driver and write the additional charge to the additional charge field of the first service data storage unit, and
• wherein a third application program is configured to receive a high-pass fee from a high-pass terminal and write information about the high-pass fee in the toll fee field of the first service data storage unit.