Ticketing and Reservation System
 Ticketing and Reservation System (TRS, 铁路客票发售和预订系统) is software used for rail ticketing in China Railways. It was developed by the China Academy of Railway Sciences. The first release was in 1996. As of December 2009, the version in use was version 5.2. It was named SMART before (excluding) version 4.0. It runs on Microsoft Windows. The TRS client is designed to be operated entirely using the keyboard for maximum efficiency. FeaturesThe TRS client can perform many operations related to the sale of China Railway tickets, including but not limited to:
 PeripheralsTRS requires several peripherals to provide its full functionality. Ticket printerComputers with TRS are equipped with a ticket printer, which allows the printing of tickets (now termed reimbursement slips, as tickets are now electronic). Most ticket printers are designed for blue tickets equipped with a magnetic stripe (although the magnetic stripe was formerly used across the national high-speed railway network in automatic faregates, it is now only used on the Jinshan Railway in Shanghai), while some are designed for pink paper-only tickets, with the latter type becoming increasingly rare. Receipt printerA thermal receipt printer is also connected to the computer, which prints receipts and Trip Information Reminders slips on a roll of white thermal receipt paper. RFID card readerAn RFID card reader is used to read Resident Identity Cards, Residence Permits for Hong Kong, Macao, and Taiwan Residents, and Foreign Permanent Resident ID Cards. Student discount card readerA separate RFID reader is used to read student discount cards placed as a sticker in university student ID certificate booklets. These cards entitle the holder to discounted trips from the city of their university to their home city 4 times a year while they are a student. Customer confirmation terminalA device with a green "confirm" button and a red "cancel" button (marked in Chinese) may be provided to the customer, requiring them to perform an action to confirm or cancel a transaction. NetworkThe TRS client must be connected to China Railway's intranet to function. Authorized third-party ticket offices located outside train stations also have the TRS client and the necessary peripherals to sell tickets. These retailers use a VPN to connect to China Railway's intranet, allowing them to use TRS, and will charge customers a 5 yuan service fee per ticket. However, online booking platforms such as Trip.com do not have direct access to TRS or China Railway's intranet and are not authorized by China Railway to sell tickets. Despite their false claims that they can acquire tickets faster when tickets are sold out, they simply use web scraping to place orders on the official 12306 online booking platform using the customer's username and password (as China Railway does not provide a public API for purchasing tickets) or cooperate with the aforementioned authorized third-party ticket offices to buy tickets.[1][2] See also
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