12306 notes for telephone booking:
1. Telephone booking system is open from 7: 00 to 23: 00.
2. Pre-sale period of telephone booking: 4-20 days (including the day of booking, tickets three days before driving cannot be booked by telephone).
3. Call 95 105 105 (you need to dial the departure area code to book tickets in different places). After making a call, follow the voice prompts.
4. Prepare in advance: the telephone area code of the departure place and destination, and the second-generation ID number of the passenger.
Finally, prepare a pen and paper to write down the order number.
6. Tickets can be picked up at any station window or sales point in the country. Tickets booked before 12:00 on the same day are valid before 12:00 on the next day; Tickets booked after 0/2: 00 on the same day are valid before 24:00 the next day.