A unified communication system improves business efficiency by integrating various communication tools and channels into a single platform. This includes voice calls, video conferencing, messaging, and collaboration applications, enabling seamless interaction among employees and clients. Such integration reduces the time spent switching between different tools, fostering better collaboration and quicker decision-making. Additionally, unified communication systems often include features like presence indicators, which show whether colleagues are available for communication, further enhancing productivity. By streamlining communication processes, organizations can improve response times and overall operational efficiency.