DealerStudio Voice Agent

Behaviour

Agent

Agent name Greeting

HumanizerMore relaxed phrasing and occasional spoken fillers

System prompt

Experience prompt template Template notes

Selected experience prompt

Pipeline

Providers

LLM Deepgram model AssemblyAI fallback model Deepgram vocabulary hints Separate dealership names, vehicle models and other terms with commas. Text to speech LLM reasoning Voice Browser TTS sample rate

Subtle Inworld cuesShort pauses and an occasional breath on callback number readbacks

Supervision

Safe LLM

Safe LLMMaster switch for model-based supervision ResponderCreates the caller-facing response Response safetyChecks each spoken segment before synthesis Background handoverReviews conversation health away from the response path Deterministic guardHandles direct human requests and failure limits

Handover check interval Provider failure limit Concurrent call limit

Grounding

Tether

TetherTies every spoken sentence to facts the agent was given. Replaces response safety when on Claim checkChecks numbers against evidence and blocks unsupported booking and handoff claims VerifierLLM grounding check per sentence (needs Safe LLM) Speculative speechSynthesises while verifying and holds audio until it passes

Mode Verify timeout, ms Fallback line

Conversation

Turn taking

AssemblyAI minimum silence, ms Maximum silence, ms Entity silence, ms History turns Flux end-of-turn confidence Flux end-of-turn confidence for details Interruption confidence Minimum speech for interruption, ms

Actions

Tools and transfer

Connect DealerStudioUse scoped context, lead creation and transcript sync Sample data on the test lineCalls to the shared Twilio number in test routing use built-in Evans Brothers Audi data and never contact DealerStudio Stock lookupUses DealerStudio when connected, otherwise mock data Lead captureStored locally until lead management is connected API callingGET requests restricted to allowlisted paths Call transferDestinations are controlled by configuration

Sales transfer Service transfer Reception transfer

Dealer API base URL Allowed API paths

Shared Twilio number

Test line

Loading

Agent

Location

Opening hours

Knowledge given to the agent

Tools

Stock

System prompt on the first turn

What the model receives before the caller speaks. During the call, the dialogue state and tool results are added each turn.

Current configuration

Prompt testing

Single turn

Receptionist launch tests

Not runCerebras · Humanizer on

Local testing

Talk in browser

Live call

Uses your microphone to run the exact same pipeline as a Twilio call, without a phone number or tunnel. Choose Phone line · 8 kHz to hear the voice the way callers do.

Use built-in sample dataCall the Evans Brothers Audi 24/7 or After Hours line from the same data as the Twilio test line. Nothing is read from or saved to DealerStudio.

Dealership Location Line to call Audio

Idle

Transcript

Runtime

Calls

0active

EventSessionTime

Performance

Latency

Channel

Speech end to first audio includes endpoint detection. The browser acknowledges playback directly. Twilio playback is estimated from a media mark and can differ from when audio reaches the handset.

Individual turns

Newest first · retained in this process