The book "Telephone communication in operational control systems" by A. Volotskaya is a unique study that immerses the reader in the world of modern communication technologies and their application in management. This work will be of particular interest to communication professionals, managers, and technical and management students seeking a deeper understanding of how telephone communication can become an integral part of effective management. Volotskaya, with a wealth of experience in the field of telecommunications, offers readers not only theoretical knowledge, but also practical recommendations that will help to understand the complex mechanisms of the functioning of telephone communication in the context of operational management. The book covers a wide range of topics, ranging from the basics of telephone communication to its integration into modern control systems. The reader will be able to learn how telephone systems can optimize processes, improve communication between teams and increase the overall efficiency of organizations. One of the key topics addressed in the book is the impact of telephone communication on operational decision-making. In a rapidly changing world where every second counts, the ability to communicate quickly and effectively becomes critical. Volotskaya focuses on how modern technologies, such as VoIP and mobile applications, are transforming approaches to business management and interaction. Readers will be able to see how these tools can be used to create more flexible and adaptive organizational structures. The book also touches on the security and reliability of telephone communications, which is an important aspect for any organization. In an environment where information becomes the most valuable resource, understanding the risks and ways to minimize them becomes necessary for successful management. Volotskaya shares practical advice on ensuring the security of telephone communications, which makes her work especially relevant in the light of modern challenges. For whom is this book intended? It will be useful not only to professionals in the field of telecommunications, but also to managers, managers, as well as students who want to expand their knowledge in the field of management and communication . Readers interested in the topics of digital transformation, innovative technologies and their impact on business processes will find this work a lot of useful and inspiring. The author's style is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. Volotskaya skillfully combines theory with practical examples, which makes reading fascinating and informative. Her previous work is also noteworthy, and if you are interested in communication and management topics, you should pay attention to her other publications. “Telephone communication in operational control systems” is not just a book, but a desktop guide for everyone who wants to be one step ahead in the world of modern technology. It raises important questions and offers relevant solutions, making it an indispensable resource for professionals seeking to improve their skills and knowledge. If you are looking for inspiration and practical tips to improve communication in your organization, this book will be your reliable assistant on the way to success.