No. The Big Data Itinerary Card, which records trips, has been adjusted from 14 days to 7 days, not 5 days. Communication big data itinerary card, commonly known as "trip code". Is by the information China Institute of Information and Communication jointly with China Telecom, China Mobile, China Unicom three basic telecommunications enterprises using cell phone "signaling data", through the user's cell phone is located in the base station location to obtain, for the country's 1.6 billion cell phone users to provide free query services.