AI Voice Agent Disclosure: How to Tell Callers It's AI Without Losing Them

Short answer: get AI voice agent disclosure right in the first sentence — say it's an AI in a short greeting that ends with "how can I help you today?", the way your best salesperson would pick up. Callers notice anyway: when our agent's greeting didn't mention AI, about 1 in 8 conversations included "are you a real person?" But a greeting that opened with "after-hours AI assistant… most FAQ questions" saw about 1 in 5 callers hang up without a word, versus about 1 in 20 with a plain greeting. And when callers asked mid-call and got an honest answer, half of them simply carried on.

Three Greetings, One Store

Our AI voice agent answers the phone for an online eyewear store. Over a few months, the store's greeting changed three times — not as a planned test, just as the team iterated:

1. Plain: "Hi, you've reached [store]. This is Joy, how can I help you?"
2. "Virtual assistant": "…This is Joy, a virtual assistant, how can I help you?"
3. "After-hours AI assistant": "Thank you for calling [store]. This is Joy, virtual after-hours AI assistant. I can assist you with most FAQ questions."

Same store, same AI agent. That gave us a before-and-after view of the question every merchant setting up a voice agent eventually asks: should it say it's an AI — and how?

The Greeting Decides Who Stays

With the after-hours AI greeting, about one in five callers left without saying anything — most of them during or right after the greeting, once they'd heard "AI assistant" and "most FAQ questions."

The gap was widest in the morning. The store's team starts at 10:00 a.m. Eastern. Between 6 and 10 a.m., 29% of callers hung up silently on the after-hours AI greeting — versus 3% on the plain one — and the median call shrank from 2:21 to 0:44.

Our read: morning callers know people will be in soon. Told "this is the after-hours AI for FAQs," they hang up and wait. Evening and weekend callers have no one to wait for, so more of them stay and ask.

The short stretch with "virtual assistant" is worth a look too: callers stayed about as often as with the plain greeting. Without "after-hours" and "most FAQ questions," the disclosure itself didn't seem to send people away.

Callers Notice Anyway

If the greeting matters this much, why not leave AI out of it? Because callers work it out.

We read every conversation for moments when the caller questioned whether they were talking to a person — by meaning, not keywords. They ask in many ways:

• "Are you a person or a program?"
• "Is this a recording? Are you a real person?"
• "Are you, like, computer generated or your salesperson?"
• "Is this an automated system?"
• "Are you an I?" — that's "AI," as speech recognition heard it

With the plain greeting, about 1 in 8 conversations included the question. With a greeting that mentioned a virtual or AI assistant, it was about 1 in 20 — the callers who stayed already knew.

When they ask: typically about 80 seconds in. A quarter asked within the first 30 seconds, often as their very first words. Nearly a third asked after the two-minute mark, well into the conversation.

An Honest Answer Keeps the Conversation Going

Our agent never claimed to be human. When asked, it said plainly that it was an AI assistant — and then offered to keep helping. What happened next:

• Half of the callers carried on with their question.
• About a third asked for a person.
• About 1 in 10 hung up.

Here's how that sounded on a call from a shopper stuck at checkout:

AI Agent: "I'm sorry you're running into that. Are you trying to pay on the checkout page right now?"

Customer: "Yes. Are you a person?"

AI Agent: "I'm your virtual eyewear assistant — not a human, but I can help right now. Do you want to complete the purchase on the website, or try a different payment method like PayPal or Sezzle?"

Customer: "Well, I would like to complete it on the website with my credit card."

AI Agent: "Got it — credit card on the website. Quick check: are you seeing the error after you click 'Place Order,' or before?"

The answer acknowledges the question, tells the truth in one line, and goes straight back to the shopper's problem. Stuck-at-checkout callers are among the most valuable calls a store gets — 60% of them convert — so keeping this one on the line matters.

A caller who has already been helped for a minute and then learns it's an AI usually keeps going. A caller whose first impression is "after-hours AI, FAQs only" often never starts.

What Makes Callers Ask?

For about a third of the questions, nothing in the transcript set it off — the caller simply wanted to know. The rest followed small conversational bumps:

• a misunderstanding or an evasive answer;
• a silence the caller filled with "hello?";
• phrasing that sounded scripted — like spelling an email address letter by letter;
• the agent repeating itself or talking over the caller.

One caller summed it up: "Are you real? Are you a real person? Because we don't understand each other."

We also checked whether slow replies were the trigger. The pauses right before the question were no longer than elsewhere in the same call. Our read: what tips callers off is less one slow answer than the conversation stopping feeling like one.

What the Greeting Is Worth

The gap between 5% and 19% silent hang-ups is about 14 callers in every 100 who never get to ask their question. Across production calls, 40% of the calls our agent handles convert to orders. If those 14 callers bought like everyone else, that's 5 to 6 orders per 100 calls — decided in the first fifteen seconds, by one sentence.

You can't win every one of them back. But the greeting is the cheapest part of the call to change, and the first one every caller hears.

How to Write the Greeting: Short, Like Your Best Salesperson

Picture the best person who ever answered your store's phone. They pick up, say where you've reached and who they are, and ask how they can help. Then they stop and listen. The caller called to talk, not to sit through an introduction.

Your AI agent should do exactly the same — and simply add that it's an AI.

Before: "Thank you for calling [store]. This is Joy, virtual after-hours AI assistant. I can assist you with most FAQ questions. Please note that this call may be recorded for quality assurance."

After: "Thanks for calling [store] — calls are recorded. This is Joy, the store's AI assistant. How can I help you today?"

Our calls point the same way: the greeting that lost the most callers was also the longest — about 10 seconds, against about 7 for the plain one — and the only one that never asked the caller anything. The plain greeting usually carried a recording notice too; the difference was everything around it.

What changed:

• Short. One breath, a few seconds. Every extra clause is another moment the caller sits and waits.
• No list of what it can do. The caller already knows why they called. The agent shows what it can do in its first answer, not in the greeting.
• No limits. A great salesperson doesn't "answer FAQ questions," and doesn't announce that the real team has gone home. "After-hours" and "most FAQ questions" tell the caller the real help is somewhere else — and in the morning, they hang up and wait for it.
• Name and "AI" in one breath. "This is Joy, the store's AI assistant" — said the way anyone says their job title. A fact, not a warning.
• Keep the recording notice — just make it short. If you record calls, many places require you to tell callers; several US states, California among them, require everyone on the call to consent. "Calls are recorded" does the job in three words. Check the rules where your callers are.
• End with the question. "How can I help you today?" is the caller's cue to start talking, so make it the last thing they hear — after the recording notice, not before it.

AI Voice Agent Disclosure: What We'd Do Now

The rules point toward disclosure. Under the EU AI Act (Article 50), from August 2, 2026, AI systems that talk directly with people must let them know they're interacting with an AI, unless it's obvious. Requirements elsewhere vary, so check the rules where your customers are. This isn't legal advice.

Research agrees that timing and framing matter. In a field experiment with over 6,000 customers, disclosing an AI voice agent before the conversation started cut purchase rates by more than 79% — and disclosing later in the conversation softened the effect. Our numbers point the same way: the up-front "AI assistant, FAQs only" message had the biggest effect, while an honest answer mid-call mostly didn't end the conversation.

1. Disclose — in a short greeting, the way your best salesperson would answer. Store, a short recording notice if you record, name, "AI assistant," "how can I help?" — then listen. "After-hours AI assistant, most FAQ questions" tells the caller to call back later.
2. When asked, answer in one honest line — then get back to helping. Never claim to be human.
3. Make the path to your team clear. On a phone line, offer a transfer during business hours; otherwise say when the team is back and take the details for a follow-up. The AI extends your team's hours — it doesn't have to stand in for them.
4. Mind the hours before you open. Most e-commerce orders happen outside business hours, and morning callers are the most likely to hang up and wait. Tell them when people are in — and offer to sort it out now.
5. Check your own greeting. See how many callers hang up during it. It's one sentence, and it's easy to test.

In AI ReFounder, the welcome message is yours to write — so you can try your own greeting and see in your call history how many callers stay past it. See how a call works end to end.

About the Data

• Inbound calls to our AI voice agent at an online eyewear store over several months, with our team's own test calls removed.
• Each call was matched to the greeting that was live at the time. This is a before-and-after comparison across different weeks, not a randomized test.
• "Hung up without saying a word" counts callers who stayed on for at least 3 seconds and ended the call without speaking. Callers who rang back within 10 minutes are left out, in case the first call simply dropped.
• "Are you a real person?" moments were found by reading full transcripts for meaning, then checked by hand.
• In the after-hours greeting, "AI assistant" came together with "after-hours" and "most FAQ questions," so we can't separate the word "AI" from the rest of that sentence.