COMMUNICATION TERMINAL, TERMINAL MONITORING METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a communication terminal which can prevent a member acting as a group from deviating from other members.SOLUTION: A communication terminal includes: another terminal information writing part 202 which writes positional information and terminal identification information received by a receiving part 201 into a storage part in association with receiving time; a lapsed time calculation part 206 which calculates lapsed time from the latest receiving time of the other communication terminal to current time; and a deviated terminal registration part which registers a first communication terminal as a deviated terminal when the first terminal whose lapsed time is a first threshold value or greater is present.