Unified Communication as a Service (UCaaS) Market to Reach USD 36.45 Billion by 2026; Increasing Adoption of Smartphones & Tablets to Propel Growth: Fortune Business Insights™ Pune, Jan. 14, 2020 (GLOBE NEWSWIRE) -- The global unified communication as a service (UCaaS) market size is projected to reach USD 36.45 billion by 2026, thereby exhibiting a CAGR of 10.5% during...