Overview ConversationRelay connects Twilio's telephony layer to your app via a persistent WebSocket. Twilio handles ASR (speech-to-text) and TTS (text-to-speech); your app receives transcripts, calls an LLM, and sends text back for playback. --- Prerequisites - Upgraded Twilio account with ConversationRelay access (requires onboarding) — New to Twilio? See — Start onboarding at: Console Voice ConversationRelay — access is not instant - A voice-capable Twilio phone number - and — see - WebSocket server reachable via (TLS required) - An LLM integration (OpenAI, Anthropic, etc.) - For placing ca…