The Hidden UX Problem in Voice AI: When Should the AI Stop Talking?

One of the hardest parts of building a voice AI product is not making the AI talk.

It is knowing when the AI should stop talking.

I did not fully appreciate this at the beginning.

When I started building RingBooker , an AI receptionist for salons, spas, med spas, beauty clinics, I was focused on the obvious problems:

Latency.

Speech recognition.

Call routing.

Booking intent.

Call summaries.

Those are all important.

But the more I worked on real phone-call flows, the more I realized that silence, interruption, and timing are part of the product.

Text AI can explain.…