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The article focuses on the main driving forces that force telecom operators to introduce the latest achievements of scientific and technological progress into their networks and provide subscribers with new opportunities and advantages. One of the latest advances in the world of telecommunications is the IP Multimedia Subsystem (IMS). Based on literary sources, a review of the IMS concept is carried out, the main ideas embodied by it are highlighted. The paper provides a solution for the implementation of virtual IMS technology in the telecommunications network infrastructure, defines the main network equipment on which the functional components of the vIMS network are implemented.

The paper presents the tension regulator of the Shuttle thread of the sewing machine, which consists of an arc-shaped plate spring, has two holes, the first for fixing the screw to the side surface of the bobbin cap and the second for the adjusting screw. In this case, the width of the plate spring along the entire length is the same. A disadvantage of the known design of the Shuttle thread tension regulator is that it is not possible to provide thread tension due to changes in the pressure force of the plate spring along its length in the areas of contact with the thread passing between the plate and the side surface.

The urgency of the issue treated in this paper is determined by the fact that the federal law requires personal data operators to guarantee the safety of processed personal data by developing security systems based on a number of organizational and technical security measures, as well as their evaluation. When choosing the organisational and technical security measures, the problem of having to consider a large number of normative and procedural documents which regulate this process arises. The aim of this study is to develop the procedural guidelines for choosing and assessing the effectiveness of suggested organizational and technical security measures for data protection in personal data information systems.

As the share of development of oil fields with reserves confined to low-permeable reservoirs increases, the problem of improving the efficiency of key indicators of project implementation becomes relevant. The work considers the factors that influence the investment attractiveness of low-permeable reservoir development projects, based on the accumulated experience in the development of low-permeable layers, the directions of optimization of technical and economic solutions are noted. The effectiveness of the proposed measures is confirmed based on the investment analysis of options for developing low-permeable reservoirs of an oil field.

With the rapid development of telecommunication systems, as well as the emergence of new technologies for broadband access, a need for modernization of automatic telephone exchanges arose. To date, almost every major telecom operator is faced with the need to update their equipment. In this regard, a number of tasks arise, such as selection of a new platform, as well as new equipment, without which it is not possible to eliminate old systems. The article considers the convergence and modernization of automatic telephone exchanges based on the MSAN platform.