Insights

AI & logistics, written from the build side

Practical write-ups on what actually reaches production — architecture, failure modes and the parts vendors leave out.

July 13, 202612 min read

Building an AI Phone Agent That Answers Real Calls — Twilio, Deepgram, FastAPI and RAG

The architecture behind an AI receptionist that takes live phone calls and answers from a company's own documents: a real-time audio bridge between Twilio and Deepgram's Voice Agent API, retrieval over pgvector, and a three-layer anti-hallucination design. The same stack behind dispatch and booking agents for logistics operations.

AI Voice AgentsTwilioDeepgramFastAPIRAGpgvector
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