How I Built a Bilingual RAG-Powered AI Calling & Chat Agent (With a Full Admin Ops Center)

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Getting one into production for real businesses — across voice calls, web chat, and WhatsApp, in two languages, without hallucinating — is a different problem. Multi-channel, single brain — phone calls, web chat, WhatsApp, and Instagram all needed to hit the same knowledge base and produce consistent answers. Retrieval-time logic: on every incoming query, the system computes similarity scores against the knowledge base.

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