How to check the WeChat travel trajectory query?

On March 6th, Red Star News learned from the Ministry of Industry and Information Technology that China ICT Institute, together with three basic telecommunications companies, China Telecom, China Mobile and China Unicom, used communication big data to provide free inquiry service "Communication Big Data Travel Card" for 1.6 billion mobile phone users nationwide, which is an upgrade of the previous service of inquiring the itinerary through SMS.

Communication Big Data Travel Card

The Red Star journalist learned that only by opening the WeChat applet "Communication Travel Card" and filling in the mobile phone number and verification code, he can obtain the travel certificate of the place where he stayed for more than 4 hours in the past 14 days; Get a green or red pass card according to your stay.

Zhang Xueli, deputy director of the Institute of Cloud Computing and Big Data of China Institute of Information and Communication Technology, told the reporter that the "Communication Big Data Travel Card" is based on telecom big data, and the interface is provided by the three major operators in a unified way. You only need to fill in the mobile phone number and verification code and confirm your authorization, and you don't need to fill in the ID number and home address, and you don't need to collect other personal information. The operation is simpler and safer, which fully protects the privacy of users. The "communication travel card" analyzes the signaling data of the mobile phone, which is obtained through the location of the base station where the user's mobile phone is located. The collection, transmission and processing of signaling data are automated, and there is a strict security and privacy guarantee mechanism. The query results are available in real time, convenient and fast.

It is reported that the data of the "Communication Big Data Travel Card" can be used all over the country, so as to achieve full coverage of one network in the whole country, and you can also query the international travel of my domestic mobile phone number. Since February 13th, the SMS inquiry service provided by the three major operators has covered more than 2 million users. On February 29th, SMS query was upgraded to scan code query, and a unified web query portal was provided. Now, the small program version of "Communication Travel Card" enables more people to use communication big data more conveniently, and provides scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, entry and exit, etc. on the premise of ensuring the safety of users' information.