UCaaS and CCaaS have similar functionality, but they are generally purchased from different departments and used for different purposes. UCaaS consolidates a company's business communication applications (including voice, video, messaging, and conferencing) onto a single cloud-based platform. IT typically purchases these solutions to modernize phone systems and streamline workflows. They are designed to support mobility and collaboration between offices, with features such as call routing and forwarding, conference bridging, virtual receptionist, and voice-to-email transcription. CCaaS also enables multi-channel communication through a single cloud-based platform, but where UCaaS is more focused on internal collaboration, CCaaS is focused on communicating with customers. Buying decisions tend to be made (or heavily influenced) by sales and service managers, and contact center solutions are designed to make it easy for agents to connect with customers, regardless of whether they a...