12306 sent 999 and didn't reply. What is the reason?

In this regard, 12306 customer service explained that there may be three reasons for this. The first is the question of the number segment. "There are many reasons for not receiving the verification code, most of which are the problems of the number segment, and some number segments have not opened this business." Second, system delay. "There are too many users verified today, and dozens of customers are waiting in line." In addition, the customer service said that it is also possible that the 12306 system has been sent, but the user has not received it.

In response to the problem of the number segment, 12306 customer service said that the railway department is taking the time to summarize and report to the technical department. If the passenger has not received the verification code after sending the SMS for three times, he can try to send it again the next day, and there will be three verification opportunities every day. For passengers who have not received the verification code for more than three times, the customer service suggests dialing 12306 directly with the mobile phone number that sent the text message. If the system has received the "999" SMS, the customer service staff can directly verify it during the call. In addition, the customer service reminds that it is normal to receive the verification code within 10 minutes, and users must not send it continuously in a short time.

If you don't get an immediate reply by sending 999 to 12306, please wait a few minutes, usually 5 minutes.

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