Solution:
1, roaming in different places, you need to make five calls a day, exceeding 1 minute, and then the interval between each call must exceed 20 minutes. At about 9 o'clock the next day, mine returned to normal.
2. Call someone else. Remember to contact. /kloc-There must be two outgoing calls with an interval of more than 4 hours within 0/4 days. The latest call time should not exceed 8 pm. Call the day before, and the information can be found around noon the next day 12.
Communication Big Data Travel Card was launched by China ICT Institute due to the outbreak of the epidemic. Obtaining the user's travel data through the location of the base station where the user's mobile phone is located is conducive to preventing and controlling the epidemic situation.
The travel card service uses the data of the user's base station. When querying data, it sends a query request to the base station, which receives it and feeds it back to the headquarters to form a record, and finally sends it back to the owner. How do you see your communication big data itinerary on your mobile phone? In order to ensure continuous communication and achieve no blind area coverage, the signals of base stations in the two places at the junction of administrative divisions may cross-cover, resulting in deviation of results.