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How an AI receptionist works (and how to test one this week)

For owners, no tech needed. Try the best prompt from it right now, then open the whole guide free with your email.

The plan

  1. Count the calls you miss in one normal week (section 4 shows you how, on your own phone).
  2. Write down the 10 questions callers ask you most, with your real answers.
  3. Call two AI receptionists yourself and score them against that list.

Try this now: turn your website into a fact sheet

An AI receptionist only knows what you tell it, so every service starts with a fact sheet. This prompt writes yours from your website in about five minutes.

  1. Open chatgpt.com or claude.ai and make a free account.
  2. Copy this prompt, paste your website's text where it says [paste], and send it.

Here is the text of my business website: [paste]. Write a one-page fact sheet for a phone receptionist: hours, services, services we do NOT offer, service area, and the 10 questions a caller is most likely to ask, with answers taken only from this text. Mark anything you had to guess with [?].

Check every [?] before you use the sheet. Section 7 has five more prompts, including one that plays five awkward callers to find the gaps.

1. Start here if you've never used AI

You don't need to know anything about AI to read this. Here's the short version of what you need.

What "AI" means in this guide. AI here means software that can understand ordinary language, typed or spoken, and answer back in ordinary language. The best-known examples are chatbots like ChatGPT and Claude: websites or phone apps where you type a question and they write an answer back, like texting a very fast assistant. They're free to try, and you'll use one in this guide to write your fact sheet.

What an AI receptionist is. It's the same kind of technology, answering your phone. A caller rings, and instead of voicemail or a menu ("press 1 for..."), they hear a natural voice that greets them with your business name. They say what they want in their own words. It answers from the information you gave it, takes their details, and sends you a written note about the call.

What it's good at:

  • Answering the same common questions, calmly, every time
  • Picking up when you're busy, on a job, with a patient, or closed
  • Taking a name, number and reason for the call without forgetting any of it
  • Writing a short summary so you don't have to listen to voicemail

What it's bad at:

  • Anything you didn't tell it. It only knows what's on the fact sheet you give it.
  • Being right every time. AI can say something wrong in a completely confident voice. A well set up receptionist is told to say "I'll have someone call you back" instead of guessing, and you'll test for this in section 8.
  • Judgement calls: whether to take a job, whether to give a discount, whether something is urgent in a way you didn't foresee

It doesn't replace you. It handles the routine calls and the ones you'd otherwise miss, and passes the rest to a person.

You can hear one before deciding anything. Section 8 shows you how to test one by calling it, which costs nothing but a few minutes.

Words you'll see

WordWhat it means
AI receptionistA phone line that answers calls with a natural voice, using facts you give it. Also called an AI phone assistant or voice agent.
ChatbotA website or app you type to, which writes back. ChatGPT and Claude are chatbots.
PromptThe message you type to a chatbot. This guide gives you prompts to copy.
Fact sheetThe document you write for the receptionist: your hours, services, area, common questions and rules. It answers only from this.
Hand-off (or transfer)When the receptionist passes a caller to a real person, or alerts one.
Hand-off rulesYour written list of which calls must go to a person, and how.
Call summaryThe short written note you get after each call: who, their number, what they wanted, what they were told.
After hoursAny time your business is closed.
Missed callA call nobody answered. Your phone's call list shows these.

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Last updated 2026-09-25