Notes on trusted voice.

Essays on the standards, security, and regulation shaping AI phone calls — written for the people building and governing them.

Featured · Field notes

The phone is having its 1994 moment

Thirty years ago the padlock made the web safe to transact on. AI voice is at the same inflection — and the pattern rhymes more than you'd think.

10 min read · Jul 2026

Compliance

Article 50, in plain English

What the EU AI Act's disclosure duty actually requires on a phone call, who it applies to, and what “in force from 2 August 2026” means for deployers.

7 min read · Jul 2026 Security

The economics of a cloned voice

When impersonation costs nothing, every unverified call is a liability. A look at why identity — not detection — is the durable defense.

6 min read · Jul 2026 Product

Escalation is a feature, not an apology

Callers tolerate AI when a person is one request away. Why we built human escalation into the protocol instead of bolting it on.

5 min read · Jul 2026 Standards

Why a trust layer has to be open

Verification issued by the party being verified isn't trust. The case for publishing VTP as an open specification anyone can inspect.

8 min read · Jul 2026 Engineering

Building an audit log that actually holds up

Append-only, hash-chained, independently verifiable. What it takes to produce evidence a regulator will accept without taking your word for it.

9 min read · Jul 2026

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