Global Virtual Private Branch Exchange (PBX) System Market Size, Share, Industry Analysis Report By Component (Solution (Hosted PBX, Cloud PBX, IP PBX), Services (Professional Services, Managed Services, Integration & Support Services)), By Organization Size (Small & Medium Enterprises (SMEs), Large Enterprises), By Deployment Mode (CloudBased, OnPremise), By EndUser Industry (IT & Telecom, BFSI, Retail & Ecommerce, Healthcare, Education, Government & Public Sector, Manufacturing, Others (Media, Travel, Logistics, etc.)), By Regional Analysis, Global Trends and Opportunity, Future Outlook By 2025-2034