KUNI

The KUNI Blog

Building an AI receptionist that sounds human

Field notes from the making of KUNI — the real bugs, the fixes, and the engineering ideas behind an AI receptionist that answers every call, text, and WhatsApp without sounding like a robot reading a script.

Engineering10 min read

The Railroad Pattern: How to Make an AI Receptionist Sound Human

Most AI phone agents sound robotic because of a timing bug, not a dumb model. Here's the 'railroad' — the engine pattern that makes KUNI sound like a focused person, told through the production bugs that shaped it.

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