AI Integration with IP-Telephony (Asterisk, FreePBX, 3CX)
IP-telephony is the core of enterprise telephone infrastructure. Integrating AI with Asterisk/FreePBX/3CX adds speech recognition, synthesis, and analytics without replacing entire system.
Integration Architectures
AMI (Asterisk Manager Interface):
- TCP connection to manage calls
- Originate outbound calls
- Control IVR, transfers, recordings
AGI (Asterisk Gateway Interface):
- Script-based per-call handling
- TTS playback
- STT recording
- Intent processing
FreePBX Module:
- Custom dialplan hooks
- AGI integration
- No recompilation
3CX via Webhook:
- Call Flow Designer webhook steps
- JSON-based API calls
- Stateless design
Timeline: AGI integration — 2 weeks. Full media-proxy integration — 1.5 months.







