Unified communication as a service (UCaaS) is a digital platform for advanced connectivity, supporting functions like telephony including mobile support, directory services, call, multimedia, conferencing consisting of audio, video and web, instant and presence messaging, and email with voice mail and unified messaging, within an organization. UCaaS is a model wherein a variety of collaboration and communication packages and applications are outsourced to a third-party vendor and provided over a network. It is based on cloud computing, over the Internet Protocol (IP) network and supports wide range of users across small scale, medium scale and enterprise scale industry, thereby being the chief driver of global UCaaS market.
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