AI calling compliance rests on one shared rule: the US, Australia, the UK and the EU treat a synthetic voice as an automated, recorded or artificial voice, not as a live person. A US AI telemarketing call to a mobile or residential line needs prior express written consent, even to existing customers, and since 2 August 2026 the EU requires AI disclosure.
- United States: the FCC’s Declaratory Ruling FCC 24-17 (released 8 February 2024) confirmed that AI-generated voices are “artificial” under the TCPA. Statutory damages are $500 per violation, up to three times that if wilful.
- Australia: the Do Not Call Register Act 2006 defines a voice call to include “a recorded or synthetic voice”. Section 12 of the Telecommunications (Telemarketing and Research Calls) Industry Standard 2017 adds a rule that applies only to calls using a recorded or synthetic voice.
- United Kingdom: PECR regulation 19 requires consent that specifically covers automated calls. The ICO says general marketing consent is not enough.
- European Union: Article 50(1) of the AI Act has applied since 2 August 2026. People must be informed they are interacting with AI at the latest at the first interaction.
- Existing customers: of these regimes, only Australia lets a customer relationship stand in for consent to an AI marketing call.
General information, not legal advice. Read at primary source on 23 September 2026. Confirm with your own counsel before you dial.
What counts as an “AI call” under the rules?
An AI call, in regulatory terms, is any call where the person hears a voice that no human is speaking live. None of the regimes below defines AI by the model behind it. Each one hooks on the voice, or on the absence of a human:
- US: “artificial or prerecorded voice” in 47 U.S.C. § 227. FCC 24-17 says this covers technologies that “either wholly simulate an artificial voice or resemble the voice of a real person”.
- Australia: section 4 of the Do Not Call Register Act 2006 defines a voice call to include “a call that involves a recorded or synthetic voice”.
- UK: PECR regulation 19(4) covers a system that automatically initiates a sequence of calls and transmits “sounds which are not live speech”.
- EU: Article 13(1) of the ePrivacy Directive covers “automated calling and communication systems without human intervention”. AI Act Article 50(1) separately covers AI systems “intended to interact directly with natural persons”.
The boundary follows from the wording. A human rep reading from an AI-drafted script is speaking live. A conversational agent speaking in a generated voice is not. One UK wrinkle is unsettled: regulation 19(1) refers to “recorded matter”, and the ICO’s telephone marketing guidance neither says whether a voice generated in real time counts nor mentions AI voices. The page also says it is under review following the Data (Use and Access) Act. The cautious reading treats an AI agent as automated.
How it works
Clearing one AI call before it dials
Locate the recipient
Identify the jurisdiction of the number being called. The rules of that country or state apply, not the caller’s.
Classify the purpose
Decide whether the call is marketing or service, such as a reminder or payment call. A service call that pitches becomes a marketing call.
Match consent to voice
Confirm the consent on file covers a synthetic voice in that jurisdiction. A customer relationship alone rarely does.
Script the opening seconds
Name the business and purpose at the start, disclose AI where required, and give an in-call opt-out. Log what was said.
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AI calling compliance by jurisdiction: the instrument and the disclosure rule
For a marketing call in a synthetic voice: the governing instrument, the consent it needs, and what the call must say. Each cell comes from the linked primary source.
| Jurisdiction | Named instrument | Consent for an AI marketing call | What the call must disclose | “You are talking to AI” required? |
|---|---|---|---|---|
| US (federal) | TCPA, 47 U.S.C. § 227; 47 CFR § 64.1200; FCC 24-17 | Prior express written consent, to mobiles and residential lines (§ 64.1200(a)(2)–(3)) | At the beginning, the business’s registered name. During or after the message, a phone number. For telemarketing, an automated in-call opt-out (§ 64.1200(b)) | No. Proposed in FCC 24-84 (August 2024); no order adopted as at September 2026 |
| California | Public Utilities Code § 2874, amended by AB 2905, effective 1 January 2025 | Federal rules apply, plus a natural-voice announcement asking whether the person consents to hear the message | Nature of the call, and the business name, address and phone number, in an unrecorded natural voice before an automatic dialing-announcing device plays | Yes. The announcement must say if the message “uses an artificial voice” |
| Australia | Do Not Call Register Act 2006; Telecommunications (Telemarketing and Research Calls) Industry Standard 2017 | Needed for numbers on the Register: express consent (it lapses after 3 months unless given for a set period or indefinitely) or consent inferred from the relationship | As soon as the call starts: the business name, who caused the call, and its purpose (s 9(2)). Synthetic-voice calls must also offer an in-call way to request contact details (s 12) | No explicit rule |
| United Kingdom | PECR 2003, reg. 19 | Prior consent that specifically covers automated calls | The caller’s name and a contact address or freephone number. The calling line identity, or a number on which the caller can be contacted, must be presented (reg. 19(2)(b)) | No explicit rule |
| European Union | ePrivacy Directive 2002/58/EC, art. 13(1); AI Act (Regulation 2024/1689), art. 50 | Prior consent for automated calling systems without human intervention | Under art. 50(5), notice must be “clear and distinguishable”, at the latest at the first interaction | Yes, from 2 August 2026, unless it is obvious to a reasonably well-informed person. The duty falls on the AI system’s provider |
Only two of the five regimes in this table require the words “this is an AI”: the EU AI Act and California’s § 2874. The US, Australian and UK rules require the call to name the business. In the US and Australia that must happen at the start of the call.
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“Can AI call my existing customers?” The existing-customer test
A customer relationship relaxes the rules for a live human caller far more often than for an AI voice. The existing-customer test asks one question before an AI agent calls your customer base: does the relationship count as consent for a synthetic voice in the country where the phone rings? Across these regimes, the answer is yes in Australia only.
| Jurisdiction | Live human marketing call to an existing customer | AI-voice marketing call to the same customer |
|---|---|---|
| US (federal) | An established business relationship exempts the call from the National Do Not Call Registry. The window is 18 months after a purchase or 3 months after an enquiry (§ 64.1200(f)) | No relationship exception. Prior express written consent is required. The FCC removed the relationship exemption for prerecorded telemarketing to residential lines in FCC 12-21 (2012) |
| Australia | Consent can be inferred from conduct and the business relationship. It ends immediately when the customer says no | The same test, because the Act treats a synthetic voice as a voice call. The Industry Standard applies either way |
| United Kingdom | A number on the Telephone Preference Service needs specific consent, “even if they are an existing customer” (ICO) | Specific consent to automated calls. Consent to live calls is not enough |
| European Union | Set nationally. Art. 13(3) lets each member state choose opt-in or opt-out | Prior consent. The art. 13(2) customer exception covers electronic mail only |
Australia’s inferred consent has limits. The Do Not Call Register’s own example is a bank credit-card holder. Calls from that bank about its home loans are reasonable, but a cold call from a related company is “less likely” to be. The OAIC’s APP 7 guidance (para 7.8) says the Privacy Act’s direct-marketing principle does not apply to the extent the Do Not Call Register Act applies. For telemarketing calls, then, the Register rules are the test that governs.
Is an AI appointment reminder or service call treated differently?
Yes, for consent. In every regime above, the purpose of the call moves the consent line more than the technology does. The disclosure duties under the EU AI Act and California’s § 2874 apply whatever the purpose.
- Australia: the Register’s guidance lists calls that are not telemarketing. They include appointment reminders, appointment rescheduling, payments, product recalls, fault verification, and solicited calls about orders or enquiries.
- US, mobiles: an informational artificial-voice call needs prior express consent, but not the written tier (§ 64.1200(a)(1)).
- US, residential lines: a commercial call that is not telemarketing needs no consent if the caller makes no more than three such calls in any 30-day period and honours opt-outs (§ 64.1200(a)(3)(iii)).
The trap is the reminder that also pitches. In Australia a “dual purpose” call must state both purposes immediately. Under the TCPA, a message that “includes or introduces an advertisement” falls under the marketing rules. Once an AI reminder offers an upgrade, it needs marketing-grade consent, which is easiest to enforce by running service and sales agents as separate configurations.
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Does the law require an AI caller to say it is an AI?
Only in the EU and California, as at September 2026. In the US, the FCC proposed a federal AI-call disclosure rule in August 2024, in FCC 24-84, CG Docket 23-362. The docket was still receiving public comment filings in July 2026, and we found no adopted order. Anyone describing federal AI disclosure as mandatory is describing a proposal.
Australia’s standard reaches the question sideways. Section 9(2)(a) requires the caller’s given name “unless the call is made solely using a recorded or synthetic voice”. An AI agent is therefore not required to give a personal name, and a scripted human first name is something the Standard never asked for. Whether a fake human persona is misleading conduct under the Australian Consumer Law is a question for counsel. Our guide to AI governance in Australia covers the Consumer Law side. Disclosing AI at the start of the call meets the EU and California rules and conflicts with none of the other three.
What running compliant AI calls actually costs to operate
All of this can run in-house. The work recurs, and each item has a statutory clock:
- Register washing: the US registry version must be no more than 31 days old at the time of the call. Australia’s safe harbour needs a wash in the last 30 days. UK lists are screened against the TPS and the Corporate TPS.
- Consent evidence: in the US, a signed written agreement per number for AI telemarketing. In Australia, a record of when express consent was given, because it lapses at 3 months by default.
- Revocation handling: in the US, honour opt-outs within 10 business days, by “any reasonable method”. A revoke-all rule due in 2027 widens that duty.
- Per-region scripts: disclosure wording, calling hours and the opt-out mechanism, maintained per jurisdiction.
The cost that breaks at volume is not the scripts. It is proving any single call months later: the consent artefact, the wash date and the disclosure actually delivered. Our AI outbound compliance checklist for enterprise buyers lists that per-record evidence pack. For the US detail, see TCPA compliance for AI voice and SMS agents. When comparing an outsourced programme, such as enterprise lead generation services or AI voice agents for sales in Australia, ask for that pack on a real record. The question applies to LeadsNow too, across 50,769+ AI-booked sales appointments since 2017.
Frequently asked questions
Is it legal to use AI to call customers?
Yes, in the US, Australia, the UK and the EU, but it is consent-gated. In the US, the FCC’s Declaratory Ruling FCC 24-17 treats AI voices as artificial voices, so AI telemarketing calls to mobiles and residential lines need prior express written consent. A private plaintiff can recover $500 per violation, and a court can triple that for wilful violations under 47 U.S.C. § 227(b)(3).
Do I have to tell customers they are talking to an AI?
In the EU, yes. Since 2 August 2026, Article 50(1) of the AI Act requires people to be informed they are interacting with an AI system unless that is obvious. The European Commission’s Article 50 FAQ confirms the date and says the obviousness exception is interpreted restrictively. California requires it for automatic dialing-announcing devices. US federal law and Australian law have no explicit rule.
Can an AI agent call Australian numbers on the Do Not Call Register?
Only with consent. That can be express consent, which lapses after 3 months unless given for a set period or indefinitely, or consent reasonably inferred from the customer relationship, according to the Do Not Call Register’s industry guidance. Consent ends immediately when the person says they do not want the calls.
Does an existing customer relationship let an AI agent call in the US?
No. An established business relationship exempts live calls from the National Do Not Call Registry for 18 months after a purchase. It gives no exception for artificial-voice telemarketing, which needs prior express written consent under 47 CFR § 64.1200(a)(2)–(3).
What must an Australian AI telemarketing call say?
As soon as the call starts, it must give the business name, the name of anyone who caused the call, and the purpose. It must also provide a mechanism during the call to request contact details, under sections 9 and 12 of the Telecommunications (Telemarketing and Research Calls) Industry Standard 2017.
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