Stop Paying for Vapi/Retell: Run your own AI Voice Agent in Python

Building AI calling agents shouldn't require a commercial license or massive per-minute markups. If you are a Python developer, you should be able to spin up a sub-500ms latency voice agent on your own machine. Today, I'm going to introduce you to Siphon, an open-source (Apache 2.0) Python framework built by BLACKDWARF that natively bridges SIP trunks to LLMs. Prerequisites Python 3.10+ A Twilio or Telnyx SIP Trunk LiveKit Credentials An OpenAI API Key Step 1: Installation & Se...

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