Unified Communications as a Service (UCaaS) is a cloud-based communications solution that combines various communication and collaboration tools. These include voice and video conferencing, phone, instant messaging, presence information, email, mobility, and more into a single platform. The goal of UCaaS is to simplify and streamline communication and collaboration for businesses, enabling employees to communicate and collaborate more effectively, no matter where they are located. UCaaS provides a unified and consistent user experience across all devices and communication channels. Unified Communications as a Service is also known as UC, Cloud Unified Communications, Cloud Contact Center, or Converged Communications.