Global Unified Communications as a Service in Healthcare Market By Product Type (Voice Over Internet Protocol, Messaging Services, Video Conferencing, Contact Center Services, and Call Management), By Technology (Public, Hybrid, and Private), By Application (Telemedicine, Collaboration Tools, Patient Engagement, Workforce Management, and Healthcare Analytics), By End-user (Hospitals & Clinics, Health Insurance Providers, Pharmaceuticals, and Diagnostic Laboratories), Region and Companies – Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034