# TRTC Documentation


> TRTC (Tencent Real-Time Communication) provides SDKs for real-time audio/video,

> instant messaging, live streaming, video conferencing, and AI-powered voice

> interactions across Web, Android, iOS, Flutter, React Native, Electron, and

> Unity. The platform delivers sub-300ms end-to-end latency, 99.99% service

> uptime, and global coverage across 3,200+ CDN nodes in 20+ regions.



## Products

- [Live](https://trtc.io/llms/live.txt): Interactive live streaming supports 2K/4K video, cross-room co-hosting (PK), audience mic-on, virtual gifts, chat, AI noise suppression, and beauty effects. Targets e-commerce live shopping, entertainment broadcasting, voice chat rooms, and interactive education from dozens to hundreds of viewers.

- [Chat](https://trtc.io/llms/chat.txt): Enterprise-grade instant messaging delivering 99.99%+ success rate even under 60% packet loss, with 1-to-1/group/community conversations, rich message types (text, media, files, custom), offline push, read receipts, recall, reactions, and 100+ language translation. Includes AES-256/E2EE encryption and 13 compliance certifications (ISO 27001, HIPAA) via 2,800+ global nodes.

- [Call](https://trtc.io/llms/call.txt): 1-to-1 and group (up to 9) audio/video calling  with call invitation, offline push, custom ringtones, floating window, virtual background, and AI noise suppression — integrates in 30 minutes. Used for social/dating, telehealth, online education, customer support, and recruitment.

- [RTC Engine](https://trtc.io/llms/rtc-engine.txt): Core real-time audio/video engine exposing low-level APIs for room enter/exit, stream publish/subscribe, audio mixing, screen sharing, and CDN relay with <300ms latency and 99.99% uptime. Use when you need full customization beyond the pre-built Call/Live/Conference UIKits.

- [Conference](https://trtc.io/llms/conference.txt): Multi-person video conferencing with room/member management, raise-hand and mic controls, role-based permissions, screen sharing, cloud recording, and multi-terminal login — integrates in ~30 minutes. Sustains quality at up to 71% packet loss for business meetings, webinars, online education, and telehealth.

- [Conversational AI](https://trtc.io/llms/conversational-ai.txt): Real-time voice agent platform combining streaming STT, LLM orchestration, TTS, smart interruption, and turn detection into a single pipeline with <300ms end-to-end latency. Enables natural, human-like AI conversations for customer service, virtual companions, AI tutoring, and interactive entertainment.

- [Beauty AR](https://trtc.io/llms/beauty-ar.txt): Real-time image/video beautification SDK providing skin smoothing, face reshaping, makeup, filters, 2D/3D stickers, face AR, and background segmentation. Plugs into Live, Call, Conference, and RTC Engine across mobile and web for live streaming, video calling, and short-video scenarios.