AI Voice in France 2026: ARCEP, Numéro Vert, and the August Cold-Calling Ban
How ARCEP's numbering plan, the 1 January 2026 caller-ID authentication mechanism (MAN), and the 11 August 2026 prior-consent law for telemarketing reshape AI voice agents in France.
France just made AI voice cold-calling almost impossible. As of 1 January 2026, ARCEP's MAN (Mécanisme d'Authentification des Numéros) is fully operational and blocks spoofed CLIs. From 11 August 2026, every commercial call to a French personal number requires prior explicit consent — opt-out is dead, opt-in only.
How telephony works there
ARCEP (Autorité de régulation des communications électroniques, des postes et de la distribution de la presse) administers the French numbering plan. Geographic numbers are 10 digits with five regional zones (01 Île-de-France, 02 NW, 03 NE, 04 SE, 05 SW). Mobile is 06/07. Non-geographic ranges include 0800-0805 (numéros verts, free to caller), 081x/082x/089x (numéros surtaxés, premium-rated), and 09 (NGN — non-geographic, untimed-local-rate).
Twilio offers French DIDs across the five geographic zones and numéros verts (0805 mostly). The Paris media edge keeps RTT under 30 ms. PSTN-IP migration (RTC switchover) is largely complete, with Orange having retired residential analogue lines through 2023-2025. CLI rules require a valid presentation number; from 1 January 2026, every call must carry a MAN authentication token at the SIP layer or it is blocked at the originating carrier.
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Regulatory landscape
Three regimes apply, all tightening. First, ARCEP's numbering plan and the MAN: a Stir/Shaken-style authentication token must be attached to every call originating from or transiting France. Second, Bloctel: the historical opt-out register that since 2025-2026 has shifted toward opt-in for personal numbers. Third, the law of 30 June 2025 on telemarketing — effective 11 August 2026 — bans commercial calls to personal numbers without explicit prior consent. Soft opt-in via existing-customer relationships is no longer enough; the consent must be specific to the channel, recent, and revocable.
The CNIL enforces GDPR overlap: voice biometrics is sensitive data and requires explicit consent; recordings have a 6-month default retention unless extended for legitimate purpose. The DGCCRF can fine up to €375,000 per legal-entity violation for unsolicited commercial communications.
CallSphere implementation
CallSphere runs Twilio across all six verticals (Healthcare AI, Real Estate AI, Sales Calling AI, Salon AI, IT Helpdesk AI, After-Hours AI), with 37 agents, 90+ tools, 115+ DB tables, HIPAA + SOC 2, and pricing at $149 / $499 / $1499 with a 14-day trial and a 22% lifetime affiliate. French tenants get a Twilio FR geographic DID (zone-matched) and a 0805 numéro vert for inbound. Outbound CLI is registered to the tenant's RCS (Registre du Commerce) address and carries a MAN-compliant authentication token at the SIP layer. The AI agent opens with "vous êtes en ligne avec un assistant IA de [marque]" — explicit French AI disclosure. From August 2026 we shift the Sales product to inbound + warm-warm only on French personal numbers; B2B remains permitted with implied-consent grounding. Bloctel scrub runs daily as a defence-in-depth even where opt-in consent exists.
Build and launch steps
flowchart LR
A[Twilio FR subaccount + Paris edge] --> B[Provision zone DID + 0805]
B --> C[Register CLI under RCS + MAN auth token]
C --> D[Opt-in consent capture for personal numbers]
D --> E[AI disclosure first sentence in French]
E --> F[Bloctel scrub + DGCCRF audit log]
- Create a Twilio French subaccount; pin media to Paris.
- Provision a zone-matched geographic DID and a 0805 numéro vert.
- Register CLI to the RCS-registered address; ensure MAN authentication tokens are emitted at SIP.
- From August 2026, capture opt-in consent for any commercial call to a personal number; B2B remains under implied consent.
- Configure the AI agent to disclose AI in the first sentence in French; log disclosure for CNIL/DGCCRF audits.
- Run Bloctel scrub daily; honour CNIL ARCO rights; cap recording retention at 6 months unless justified.
FAQ
What changes on 11 August 2026? Every commercial call to a French personal number requires prior explicit consent. Bloctel-style opt-out is no longer the operative regime for personal numbers.
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What is MAN? Mécanisme d'Authentification des Numéros, France's caller-ID authentication framework, fully operational from 1 January 2026. Spoofed or unauthenticated calls are blocked.
Are B2B calls also opt-in only? No. B2B remains permitted under implied consent grounded in the recipient's likely professional interest. Personal numbers are opt-in only.
Can I record a French call? Yes, with explicit opt-in. CNIL guidance is a 6-month default retention unless extended for a legitimate documented purpose.
Sources
- ARCEP: Numbering Plan press release
- ARCEP: Consumer protection (caller-ID authentication)
- Connexion France: New rules to combat phone spoofing
- Nixxis: Cold-calling rules under the 11 Aug 2026 law
Start a 14-day trial on a numéro vert, see pricing at $149/$499/$1499, or contact us for ARCEP / Twilio FR setup help.
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