Unified Communications Market Size, Share & Trends Analysis Report by Components (Types, Services), by Types (UCaaS, IP Telephony, Video Conferencing Systems), by Services (UC Managed Services, Professional Services), by Deployment Mode (On-Premises, Public Cloud, Hybrid Cloud), by Organization Size (Large Enterprises, Small and Medium-Sized Enterprises (SMEs)), by Vertical (BFSI, IT and Telecom, Retail and Consumer Goods, Healthcare), by Region (North America, Europe, Asia Pacific, Latin America, Middle East & Africa) - Global Industry Assessment (2016 - 2021) & Forecast (2022 - 2028)