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