- Without personnel management system. Such systems look as smart calculator, performing (or partially performing) the basic functions of a billing system - account of funds and accruals for provided services.
- With manual management. Such systems have a number of installed reports for management independent evaluation of a number of operations performed on different stages by different employees of selling department. Using this information a manager can make certain decisions raising (or vice-versa) effectiveness of the work.
- With automated management. Apart from calculating the system of this type can make the work of selling department employees more effective. Such billing system has clear detailed list of duties for each employee to perform and remuneration for these duties. The systems calculate the amount of remuneration for every employee depending on number and quality of operations performed. The role of a manager in this case is minimized, he performs monitoring of faultless operation of the system.