Talk · AWS Community Day Adria 2026
The Journey to Intelligent Conversational Agents
Abstract
Most voice agents can talk; very few can take part in a conversation. They answer one person, on cue, and keep nothing once the call ends, yet many of a company’s most expensive decisions are made by people talking together. An intelligent conversational agent does what a good colleague does: it knows who is speaking, tells a question from a passing mention, waits for the pause, and says the one thing that changes the decision. Strands BIDI makes the first step easy: one BidiAgent holds a live, interruptible stream to a speech-to-speech model and calls your tools. This session goes further with Ultron, an agent that joins an architecture review, keeps the room’s decisions on a shared board, flags a flaw before the engineers agree, and speaks only when someone asks.
Each part sits behind its own interface, so when a better or cheaper component ships, you replace that one part and nothing else, and the new part can run in shadow beside the old one before it acts. This week Ultron changed how it tells voices apart in a day, and on the same test clip the new part placed every change of speaker within a twentieth of a second. Trust is part of the design: a voice nobody has named never reaches a model, the room’s audio is never stored, and nothing becomes a record until a person confirms it. Leaders will see where conversational AI creates value: in the decisions people make together, which today vanish when the meeting ends. Builders will leave with a blueprint: start with Strands BIDI, rent the commodities, and invest in the layer closest to your decisions.