Communication Big Data travel itinerary can display all countries (regions) that users have visited in the past 14 days and domestic cities that have stayed for more than 4 hours. "Communication Big Data Travel Card" analyzes the signaling data of the mobile phone and obtains it through the base station where the user's mobile phone is located. The collection, transmission and processing of signaling data are highly automated.
And it has extremely strict security and privacy protection mechanism, and has high authenticity and accuracy. The "travel card" analyzes the signaling data and bill data of the mobile phone, so the premise of having travel data is that the user generates these signaling and bill data in the process of using the mobile phone.
Extended data:
The itinerary card is introduced as follows:
In order to avoid the location deviation caused by the coverage of base stations in surrounding cities, the travel card is set to meet the judgment condition of staying for 4 hours, and there are also some tips when calling: in one day, the time span between the earliest call record and the latest call record needs to exceed 4 hours (for example, once at 7: 00 am and once at noon 12) to meet the requirements and display the travel.
The same is true with traffic. The verification code of the communication travel card is issued by the SMS gateway of each operator. If the number of requests is too large in a short time, resulting in SMS congestion (such as peak hours), you will not receive the verification code.
Phoenix. Com- The official response is that the travel card turns red: it is only used as a travel reminder and has nothing to do with health status.
Xinhuanet-Minwutong APP can query the travel trajectory of the past 14 days.