Build a Voice IVR With Twilio + GPT-5 + ElevenLabs: A 1-Day Tutorial (and the 3 Gotchas)
A real-time voice IVR that talks like a person — Twilio Media Streams, GPT-5 for the brain, ElevenLabs for the voice — built in a day. Streaming and barge-in code, plus the 3 gotchas that wreck naive builds.



