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Unified communications as a service (UCaaS) refers to a service model where providers deliver different telecom or communications software applications or services, generally over the global IP network.
Unified communications as a service is a subcategory of software as a service (SaaS), where providers deliver software products and processes through the web. These types of provisions offer several unique benefits to companies. One of them is scalability, where companies can add or subtract services as necessary. Another is the convenience and lower cost of outsourcing services, compared to the cost of acquiring hardware setups for unified communications.
Types of unified communications as a service packages include messaging tools, videoconferencing tools, and resources for facilitating different kinds of text and voice communications. UCaaS clients can choose from single-tenant systems, where remote services are uniquely built for a single client, or multi-tenant services, where multiple clients are served by one system. Multi-tenant systems are generally cheaper to run and provide. These properties as well as principles of elasticity, on-demand services and resource pooling make UCaaS services attractive to businesses.