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Dev.to
6/29/2026
The original title is: "Route Phone Calls to an AI Agent With the Telnyx Voice API"

The original title is: "Route Phone Calls to an AI Agent With the Telnyx Voice API"

Original: Route Phone Calls to an AI Agent With the Telnyx Voice API

Short summary

Telnyx's webhook-driven Voice API lets you route inbound phone calls to AI agents, controlling the entire call lifecycle through event-driven commands (answer, speak, gather input, transfer). Your application receives HTTP events for every call state change and responds with Call Control commands, enabling real-time AI inference (speech-to-text, LLM processing, text-to-speech) between caller input and agent response. A complete Python Flask example with signature verification and error handling is available on GitHub.

  • Telnyx Voice API routes calls to AI agents via webhook-driven event loop
  • Answer, speak, gather input, and transfer calls programmatically
  • Complete Python example with production-ready error handling available

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