WebRTC Call Demo

Create a WebRTC call via the dispatch API, then join the LiveKit room with your browser audio.

If this page is served from a different origin than the API, set CORS_ALLOW_ORIGINS on the API.

Dispatch API base URL

LiveKit WS URL

Identity

Room prefix

API key (optional)

System prompt

Max duration

Time exceeded message

Call mode LLM + STT/TTS Realtime (OpenAI / xAI / Ultravox)

LLM & speech settings

LLM model

Temperature

STT provider TTS provider

Recording & detection Recording enabled Turn detection

Voice activity detection (Silero)

activation_threshold min_speech_duration min_silence_duration prefix_padding_duration max_buffered_speech sample_rate

Idle.

Remote audio