This course covers the fundamentals of Voice over Internet Protocol (VoIP) and Unified Communications (UC) systems. Topics include VoIP protocols, network design, and infrastructure, as well as an overview of UC architectures and platforms. Students will explore video conferencing, collaboration tools, and security considerations in VoIP and UC systems. The course also covers best practices for managing and troubleshooting VoIP and UC systems. By the end of the course, learners will be equipped to implement and maintain effective VoIP and UC solutions in various business environments.