Recently, some netizens left a message to the Ministry of industry and information technology, suggesting whether to consider whether the travel displayed by the communication travel code can be accurate to the county level. In this regard, the Ministry of industry and information technology once again stressed in its reply that due to the limitation of technical principles, it cannot be accurate to the county level. According to the "minister's mailbox" page on the official website of the Ministry of industry and information technology, the netizen said in a message on May 10, "at present, the travel code only shows prefecture level cities, which brings inconvenience to the accuracy of prevention and control work in prefecture level cities and is not conducive to people's travel. It is strongly required that the three major operators group the base stations according to districts and counties, and the information technology institute will display the travel code, and the travel is specific to the county level."**
In response, the Ministry of industry and information technology replied three days later, "During the prevention and control of the COVID-19, the ministry organized relevant units to launch the 'communication travel card' public service, which provided free travel query services for mobile phone users of China Telecom, China Mobile and China Unicom in the past 14 days. It is one of the auxiliary tools for people to travel during the epidemic. The 'communication travel card' analyzes mobile phone signaling data and bill data, so the premise for generating travel data is that users are using their hands These signaling and bill data are generated in the process of the machine. Limited by the technical principle, the query coverage of the communication travel card at present: it can be accurate to prefectures and cities in China, to countries (regions) in foreign countries, and can not be accurate to the districts and counties of various cities (including municipalities directly under the central government). In the follow-up, our department will guide relevant units to further optimize the communication travel card query service in combination with the existing epidemic prevention and control needs, improve the user experience and provide guarantee for users' smooth travel. "
The Ministry of industry and information technology also stressed that "on the inquiry page of communication big data travel card, we have explained that" * indicates that there are medium or high-risk areas in the city at present, and does not mean that users have actually visited these medium and high-risk areas. "While using communication travel card to prove personal travel, you can also prove personal travel by ticket and other reasonable means. Please follow the regulations of the local epidemic prevention and control management department for specific requirements."
Surging news noted that many netizens had suggested to the Ministry of industry and information technology whether the address information displayed by the travel code could be more accurate.
For example, some netizens wrote on the message board of people's network in January this year, "The recent epidemic situation is frequent, and all places require green codes to pass. However, it can only be identified at the municipal level, and can not be accurate to the District, let alone to the specific streets. This has created a hotbed for grass-roots epidemic prevention. Especially in municipalities directly under the central government such as Beijing, all Beijing travel cards carry stars in areas with medium risk. I hope they can be more accurate and facilitate work, life and normal travel."
In this regard, the Ministry of industry and information technology also said in its reply at that time, "limited by the technical principle, the query coverage of the current communication travel card: it can be accurate to prefectures and cities in China (stay for more than 4 hours), and it can be accurate to countries (regions) in foreign countries. For the time being, it can not be accurate to the districts of all cities (including directly administered cities)."
Public information shows that the "communication big data travel card" was launched in February 2020. It is a public welfare travel inquiry service jointly launched by three basic telecom enterprises, namely, China Academy of communications and communications, China Telecom, China Mobile and China Unicom, under the guidance of the Ministry of industry and information technology. It can provide users with certificates of countries (regions) and domestic cities that they have visited in the past 14 days and stayed for more than 4 hours free of charge.