Sinch Voice Calling API helps businesses automate, personalize, and scale global voice calls for apps, websites, and workflows. With enterprise-grade reliability and developer-friendly tools, you can implement click-to-call, IVR menus, text-to-speech, and call routing easily. The API supports WebRTC for in-app calling, number masking for privacy, and call recording for insights. Sinch’s international coverage and carrier-grade routing ensure optimal quality, making it the preferred Voice Calling API for Indian enterprises and small businesses alike.Website: https://sinch.com/in/products/voice-calling/