Revision with unchanged content. In our globalized world economical processes get constantly more and more connected with each other. Therefore they demand an effective and optimized business communication between all involved partners. Michael Kuhn presents in his book an overview of the needs and requirements which occur during the application of communication systems in modern business management, as well as of the possible solutions. The author gives a detailed description of the communication process and communication systems, which is crucial for a better understanding of aspects of business communication in modern business. A general analysis of three modern communication systems provides a practical focus. The systems are presented briefly with their general features and criticized in the focus of the needs and requirements defined beforehand. A profound analysis of one communication system at the example of a fictive counselling company consolidates the theoretical and practical knowledge about communication systems in modern business structures. The analysis shows that today’s communication systems are able to handle various needs and requirements of modern companies. The book is directed mostly to decision-making units and managers in modern businesses.