VOIP Services Market By Type (Residential VOIP Services, Business VOIP Services), By Deployment (Cloud-Based VOIP, On-Premises VOIP), By End-User Industry (BFSI, Healthcare, IT and Telecom, Retail, Education, Government), and By Application (Voice Calling, Video Calling, Messaging, Conferencing, Unified Communication); Global Insights & Forecast (2024 – 2030)