12306 Operation Failed 503 What does it mean?

Railway 12306 operation failure 503 means that the ticket purchase failed. Because the remaining tickets are limited, 12306 often queues up. It means that this time it has failed and needs to be tried again. try. (Recommended Learning: PHPSTORM )

## "Railway 12306" is the official mobile phone purchase client launched by the China Railway Customer Service Center, on December 8, 2013 Officially launched for trial operation.

On December 8, 2013, the official mobile ticket purchase client "Railway 12306" launched by the China Railway Customer Service Center will be put into trial operation to provide train information inquiry, ticket purchase and other services to passengers. .

The "Railway 12306" application icon has a blue and white background, with the red China Railway emblem above it and the words "China Railway" below the road emblem.

"Railway 12306" is free for passengers to download and use. Android phone users can download it directly from the Railway Customer Service Center website, and Apple phone users can download it from the Apple App Store "APP STORE".

During the trial operation, if you encounter problems such as difficulty in purchasing tickets, please understand and choose other ways to purchase tickets in a timely manner to avoid delaying your trip.

In December 2015, the railway department introduced that there is no set time node for December 2 or 3. The 12306 website accepts passengers’ mobile phone verification business at any time, and the website and passengers’ mobile phones exchange text messages for confirmation. Contactability.

Since December 1, the railway ticketing system has enabled some new functions, and the long-awaited "seat selection function" for online ticket purchasing has been realized. In order to further facilitate passengers to purchase tickets, Railway 12306 will launch group ticket booking services on March 10. Both individuals and organizations can make reservations. Previously, passengers could only purchase group tickets by calling the phone or going to the ticket window.

12306 The EMU train seat selection function with prefixes C, D, and G was officially launched on October 12, 2017. Since November 23, 2017, the WeChat payment service function of the China Railway Customer Service Center 12306 website has been online. If you need to purchase, change or refund tickets during the maintenance period from 23:00 to 06:00 every day, please go to the railway station window.

In September 2018, according to China Railway Corporation, the railway department added a prompt function to the 12306 system. When the transfer at the same station takes less than 10 minutes or the transfer at different stations in the same city takes less than 40 minutes, the system prompts Passengers choose to purchase tickets for subsequent trains.

On November 3, the revised and upgraded China Railway 12306 website was officially launched for operation. The website’s passenger service functions have become more complete, making it easier and faster for passengers to purchase tickets. In addition, the "waiting ticket purchase" function will be launched during the 2019 Spring Festival travel period.

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