Is Auto Dialer Legal? Rules in the US, UK, Canada, Australia, India

This page is general information, not legal advice. It summarises statutes and regulator pages read on 4 October 2026 and has not been reviewed by a lawyer. It does not cover United States state laws, which can be stricter than federal law. Before a calling campaign, check the current rules for the country you are calling.

Country by country, is auto dialer legal?

The Auto Dialer compared the telemarketing rules of 5 countries, and the pattern is the same in each. None of them prohibits auto dialing software. Each one regulates unsolicited sales calls through a national do-not-call register, a consent or relationship test, and often a limit on calling hours. On top of that, most have a stricter rule for one technology: calls that play a recorded or artificial voice, and dialers that leave people listening to silence. A dialer that connects a live person on every call, one number at a time, sits outside those stricter rules but inside the ordinary telemarketing ones. The law that applies is the law of the place you are calling.

Comparison table: is auto dialer legal in five countries

United States: is auto dialer legal under the TCPA

The Telephone Consumer Protection Act defines an "automatic telephone dialing system" as equipment with the capacity to store or produce numbers "using a random or sequential number generator" and to dial them. In Facebook v. Duguid (1 April 2021) the Supreme Court held that this number-generator capacity is a necessary feature of an autodialer. Calls to mobile numbers made with such a system, or with an artificial or prerecorded voice, need the called party's prior express consent, and written consent for telemarketing.

• Do not call. Telephone solicitations may not be made to residential subscribers on the national registry, and the FCC applies this to wireless numbers too.
• Existing relationship. A purchase within the previous 18 months, or an inquiry within the previous 3 months, creates an established business relationship. The FTC's rule words these as 540 days and 90 days.
• Hours. No solicitation before 8 a.m. or after 9 p.m. at the called party's location.
• Penalties. The statute allows a private claim of up to $500 for each violation. The FTC states fines of up to $53,088 per violation of its rule, a figure that is adjusted for inflation.

United Kingdom: is auto dialer legal under PECR

The Privacy and Electronic Communications Regulations split calls in two. Regulation 19 covers an "automated calling or communication system", defined as one that starts a sequence of calls from stored instructions and transmits sounds "which are not live speech"; marketing by recorded message needs consent. Live marketing calls fall under regulation 21.

• Do not call. No unsolicited marketing calls to a number on the TPS or Corporate TPS register, or to anyone who has told you not to call, unless that person has specifically consented.
• Caller identity. The caller must not withhold the calling line identity. A SIM based dialer shows your own number.
• Silent and abandoned calls. Ofcom's persistent misuse policy says calling parties should not make them, and Ofcom can impose penalties of up to £2 million.
• Fines under PECR. The ICO's own pages currently give different maximum amounts, so no figure is quoted here.

Canada: is auto dialer legal under CRTC rules

The CRTC's rules name two technologies. An Automatic Dialing-Announcing Device (ADAD) is equipment that stores or produces numbers "to convey a pre-recorded or synthesized voice message". A predictive dialing device is software that "automatically initiates outgoing telecommunications from a pre-determined list" of numbers, and a telemarketer using one must not exceed a 5 percent abandonment rate in a calendar month. That second definition is broad, and the text read does not say whether one-at-a-time dialing with the caller on the line falls inside it; such a dialer produces no abandoned calls either way.

• Do not call. No telemarketing to a number on the National DNCL without express consent. The list version used must be no more than 31 days old. The DNCL rules do not apply to calls to business consumers.
• Existing relationship. 18 months after a purchase and 6 months after an inquiry or application.
• Hours. 9:00 a.m. to 9:30 p.m. on weekdays and 10:00 a.m. to 6:00 p.m. on weekends, in the consumer's time. Stricter provincial hours prevail.
• Penalties. Up to $1,500 for an individual and up to $15,000 for a corporation, for every contravention.

Australia: is auto dialer legal under telemarketing rules

Neither the Do Not Call Register Act nor the industry standard defines an autodialer. The rules attach to any "telemarketing call", however it is dialled, and a voice call includes one with a recorded or synthetic voice.

• Do not call. No telemarketing call to an Australian number on the register unless the person consented. Telemarketers have 30 days to recognise a new registration.
• Consent. Express consent, or consent reasonably inferred from conduct and from the business relationship. Express consent with no stated period lapses after 3 months.
• Hours. No call before 9 am or after 8 pm on a weekday, before 9 am or after 5 pm on a Saturday, or on a Sunday or a national public holiday, at the account-holder's address.
• Penalties. Set in penalty units, not dollars, in the Act.

India: is auto dialer legal under TRAI rules

India is the strictest of the five about the line itself: TRAI does not permit telemarketing from an ordinary mobile number, and its September 2026 amendment added a declaration rule for software-initiated calls. Because those rules changed so recently, they have a page to themselves: is auto dialer legal in India.

Rule by rule: is auto dialer legal by topic

Country pages and rule-by-rule explainers that go further than the summary above:

• Auto dialer rules in India

  TRAI's 2025 and 2026 amendments and what they mean for calls from a mobile number.

• Dialer for telemarketing

  Registered telemarketing routes, consent and why a personal SIM is the wrong line for it.

• Political dialer

  Volunteer phone banking from personal phones, and the rules on political calls.

• Auto dialer in the USA

  TCPA, the National Do Not Call Registry and calling hours for teams calling US numbers.

• Auto dialer in the UK

  PECR, the TPS register and Ofcom's silent-call policy for UK calling.

• Dialer for Australia

  The Do Not Call Register Act, consent and permitted calling hours in Australia.

• Auto dialer in Canada

  CRTC rules, the National DNCL and the five percent abandonment limit.

• Autodialer under the TCPA

  The statutory autodialer definition and the 2021 Supreme Court reading of it.

• Do not call list

  National do-not-call registers country by country, and how a calling team honours them.

Compliance checklist: is auto dialer legal for your list

1. Identify the country of every number on the list. The rules follow the person called.
2. Remove numbers on that country's do-not-call register unless you hold consent or a valid relationship exemption.
3. Record how and when each person became a customer or enquired. In The Auto Dialer each lead carries a source tag and a dated history.
4. Call inside the permitted hours in the called person's time zone.
5. Honour every "do not call me" at once, using excluded numbers and the block list.
6. Never play a recorded message without consent. This app cannot: it connects a person on every call, as its auto dialer features list shows.

The difference between one-at-a-time and predictive dialing (two of the types of dialers), which decides whether abandoned-call rules matter to you, is laid out in auto dialer vs predictive dialer. What a phone-based dialer is and is not is explained under SIM based auto dialer, and retry settings that keep complaint risk low are under auto redial.

Official sources for is auto dialer legal questions

• United States: 47 U.S.C. 227 (TCPA)
• United States: 47 CFR 64.1200 (FCC rules)
• United States: 16 CFR Part 310 (FTC Telemarketing Sales Rule)
• United States: Facebook v. Duguid, Supreme Court opinion
• United States: National Do Not Call Registry
• United Kingdom: PECR 2003, regulation 21
• United Kingdom: ICO guidance on telephone marketing
• Canada: CRTC Unsolicited Telecommunications Rules
• Canada: Telecommunications Act, section 41.7
• Canada: National Do Not Call List
• Australia: Do Not Call Register Act 2006
• Australia: Telemarketing and Research Calls Industry Standard 2017
• Australia: Do Not Call Register
• European Union: ePrivacy Directive 2002/58/EC, Article 13