Description: This is a C write the telephone charged fees and management system, Statistics for all time slots volume of business (that is the total number of calls) and 2009. All sessions of the call sequencing operations. Print simple user calls list. The different time of the call for automatic billing, taking into account the time-of the situation. Among them, the user's information is the user's name, telephone number, domestic long-distance calls, local telephone calls, call sessions, the monthly fee, month cost. Consider the non-holiday weekend half of the cost of calls, response procedures for the handling and preparation of this function code
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