What happened when the big data travel card could not find the data?

1, SMS mode:

If you encounter unstable services such as network errors when using web travel cards, WeChat applets or apps.

Send a short message CXMYD (telecom1001mobile 10086/ Unicom 100 10) to the operator for inquiry.

2. Telephone consultation:

I can't open the webpage, I can't receive the verification code or there is something wrong with the itinerary query.

You can also call the operator's customer service hotline: 10000 (telecom), 10086 (mobile),100/0 (Unicom).

special technology

"Communication Big Data Travel Card" analyzes "mobile phone signaling data", 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 automatic, with strict security and privacy protection mechanisms, and the query results are available in real time, which is convenient and fast.

The data of "Communication Big Data Travel Card" can be used nationwide to achieve full coverage of a national network, and you can also check the international travel of my domestic mobile phone number. On the premise of ensuring user information security, these will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, entry and exit, etc.

The data source of the location query service provided by the travel card is "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. In order to ensure communication continuity, realize coverage without blind areas and provide better communication service quality, the signals of base stations in the two places at the junction of administrative divisions may cross-cover, resulting in deviation of results.

This may happen if the user lives near the city boundary or travels long distances by car or train.