Request Sample Global Hosted Private Branch Exchange (PBX) Market, Size, Share and Trends Analysis Report By Component (Solution and Services), By Organization Size (2G/3G/4G and 5G), By Service Category (managed services, unified communications cloud, and IT services, network services and security services), By Verticals (IT, BFSI, Healthcare, Manufacturing, Retail, Government and Public Sector, Real Estate, Professional Services, Education and Others), Forecast Period (2021-2027)