Twilio을 대체하는 무료·오픈소스·다운로드 가능한 선택지
Self-hosted realtime WebRTC audio video server — End-to-end realtime stack for connecting humans and AI
↔ 대체: Twilio、Agora、Daily.co
Turn your Android phone into an SMS gateway — Send and receive SMS messages using your Android phone programmatically via a simple HTTP API
↔ 대체: Twilio
