Guides

Task-oriented pages for the subsystems around the core engine.

• Turn-taking : Silero VAD + Smart Turn v3. When the bot answers, and when the user can cut in. The setting that most decides whether a bot feels good.
• Services : swapping STT/LLM/TTS providers, tool calling, and speech-to-speech.
• Audio : codecs, sample rates, noise reduction, background mixing, recording.
• Telephony : phone calls over Twilio, Telnyx, Plivo and Exotel, plus DTMF and the idle watchdog.
• RTVI : the event protocol that gives a client live transcriptions and speaking state.
• Observability : observers, metrics and tracing, and which numbers actually matter for a voice agent.