用visual C++编写的电话计费系统，适合大二学生使用，里面附带数据库！-Using visual C++ to prepare a telephone billing system, suitable for sophomore students, which comes with a database!

用C++实现电话智能计费系统，达到电话计费的智能化。-Written in c++ realize telephone billing system, intelligent to telephone billing intelligent.

电话计费系统，C++编的！试一试，应该还行吧！-Telephone billing system, C++ compiled! Try should be okay!