The trip code needs the other party's SMS verification code, if you have the verification code of the other party's cell phone is visible.

Travel code, full name "communication big data travel card", this service is the Ministry of Industry and Information Technology China Institute of Information and Communication jointly launched by the three major telecom operators, through the three major operators of the big data, for the country's 1.6 billion cell phone users to provide the formation of query services.

The query is very simple, only need to enter my cell phone number and verification code, you can one-click query to all the trips within 14 days, but any stay more than 4 hours more than the city, will appear on the itinerary, even if it is the country outside the country, it will also appear on the itinerary.