The Telecommunication Standardization Sector (ITU-T) is a part of the International Telecommunication Union (ITU), which is a specialized agency of the United Nations. ITU-T develops international standards for telecommunications, ensuring that systems and technologies can work together seamlessly across different countries and networks. These standards cover a wide range of topics, including network protocols, data transmission, and telecommunication services. By establishing common guidelines, ITU-T helps improve the quality, efficiency, and interoperability of global communication systems, facilitating advancements in technology and enhancing connectivity worldwide.