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How your AI receptionist works

On every call three systems work together: speech-to-text turns the caller's words into text as they talk, a language model decides what to say and which action to take, and text-to-speech speaks the reply in the voice you chose. The model works from instructions FrontDesk builds for each call out of your settings: the greeting, name and tone on Receptionist → AI Voice, your hours, address and services, your knowledge base and accepted insurance, the switches that say what it may do, your call script and your clinical rules. Actions such as checking availability or booking run against your live calendar. After the call you get a summary and transcript in Call Logs, and the call is scored in the Review queue. Knowing the pipeline helps you write better greetings, knowledge and scripts.

Updated September 30, 20263 min read

Your AI receptionist is three systems chained together, with your practice's configuration as its instructions. Knowing the pieces makes it easier to understand odd behavior and to write content the AI uses well.

The pipeline, end to end

  1. A caller dials your FrontDesk number and the AI answers with your greeting (unless you've set it to wait for the caller to speak first).
  2. Speech-to-text transcribes the caller's words as they talk.
  3. The language model reads the conversation plus your practice's instructions and decides what to say next, or which action to run (check availability, book, look something up, take a message, transfer).
  4. Text-to-speech turns the reply into audio in the voice you picked, at your speaking speed.
  5. The caller hears the answer, and the loop repeats for every back-and-forth (a "turn").

A reply normally starts a second or two after the caller finishes.

What's a "turn"?

A turn is one exchange: the caller says something and the AI replies.

Caller: "Hi, I'd like to book a cleaning." AI: "Sure. What day works for you?" Caller: "How about Thursday afternoon?" AI: "I have 2:30 with Dr. Park or 4:00 with Dr. Lee. Which would you prefer?"

Where your configuration plugs in

The language model knows nothing about your practice except what FrontDesk gives it on each call:

What you configureWhereHow the AI uses it
Practice nameSettings → Account (organization name), or the location's Name clients see under Settings → Client PortalThe name in the greeting and the name the AI calls the practice. The location's own name is never used as the practice's name; on an account with more than one location the AI adds the office ("Bright Path Therapy, Indianapolis office") and names it when asked which office this is
Hours, address, holiday closuresSettings → Locations"Are you open?" questions, directions, after-hours handling
ServicesSettings → ServicesMatching what the caller asks for to a bookable service; prices only when Quote prices is on
Voice, greeting, name, tone, speedReceptionist → AI Voice → VoiceHow the AI sounds and introduces itself
Anything else it should knowReceptionist → AI Voice → VoiceFacts added to every call
Knowledge base, accepted insuranceReceptionist → AI Voice → KnowledgeLooked up when a caller asks
What it can do, transfers, after hours, booking windowReceptionist → AI Voice → VoiceWhich actions it has, and when it hands off
Call scriptReceptionist → AI Voice → Call scriptsExtra instructions for how it handles calls
Clinical rulesReceptionist → AI Voice → Clinical rulesWhen/then rules on every call
Pacing and interruptionsReceptionist → AI Voice → AdvancedTurn-taking timing, silence, voicemail detection, sign-offs
Who answers, and whenSettings → Phone & SMS → CallsWhether the AI, your team or a forward takes the call, day and night

The AI is told never to make up information: if something isn't in your settings, it says so and offers to take a message. See What your AI can and can't do.

After the call

The call appears in Call Logs with a summary, transcript and recording (when recording is on), and messages the AI took appear in Tasks (and in your notifications). Each AI call is scored and added to the Review queue tab; see Review queue & clinical rules.

Why responses sometimes feel slow

  • Long answers. A four-sentence reply takes longer to produce and to speak than a one-sentence one. Keep your instructions and knowledge concise.
  • Actions. Checking live availability or searching the knowledge base adds a moment. Turn on Speak a filler during actions on the Advanced tab so the line isn't silent.
  • Patience. A Relaxed Patience setting waits longer before replying; Snappy replies sooner.
  • The phone line. A poor mobile connection on the caller's side adds delay and hurts transcription.

If most calls feel sluggish, see The AI sounds robotic or too slow.

What's next

Frequently asked questions

How long does the AI take to respond?
Normally a second or two after the caller stops talking. Longer answers, a live calendar check or a knowledge lookup can add a moment; while an action runs, the AI can say a short filler such as "Let me check that" (Advanced tab, What it says while it works).
Does the AI hear the caller in real time?
Yes. Speech-to-text runs as the caller talks, and the AI starts its reply once it judges the caller has finished. How patient it is before replying is the Patience setting on the Advanced tab.
Can callers interrupt the AI?
Yes. When a caller starts talking, the AI stops and listens. By default a caller needs to say a couple of words for it to count as an interruption; you can adjust that, and list words to talk through or stop on, on the Advanced tab.
Does the AI learn from my calls on its own?
No. It follows the instructions built from your settings on each call. To change its behavior, change a setting, add knowledge, edit a script, or turn a correction into a clinical rule from the Review queue.

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