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Building Your Own VoIP PBX: A Playground for IVR and Voice AI Experiments

Infrastructure Self-Hosting VoIP
Building Your Own VoIP PBX: A Playground for IVR and Voice AI Experiments

Why Build a VoIP Lab in 2025?

The goal isn't to replace my mobile phone. It's to have a playground for voice technologies that are increasingly relevant in modern applications: IVR systems, conversational AI, voice assistants, and telephony integrations.

I wanted to experiment with:

  • IVR systems (Interactive Voice Response) - those "press 1 for sales" menus
  • Voice AI integration
  • SIP protocol internals - understanding modern telephony at a deeper level
  • Conversational interfaces - prototyping voice-driven applications
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