The newest tendencies in the development of public telephone networks are based on the concentration of switching in large centers, which through network access systems service extensive areas. Such solutions, which are more than justified economically and functionally, require very efficient management tools.

• Providing management information to its user (network operator)
• Transfer of information between exchange network, DGT devices and management system
• Analysis of received management information and its utilization (processing of management information)
• Conversion of management information into a form which is practical and understandable to the user,
• Protection of access to management information.