ElevenLabs Cloud Voice Agent with Asterisk SIP Integration Cloud-Hosted Conversational AI with Custom Webhook Tools, SIP Trunk Routing, and Dynamic Call Context Injection A production-tested guide to building an AI voice agent that answers live phone calls through your existing Asterisk PBX, using ElevenLabs Conversational AI as the brain and your own webhook server to inject per-call business context. Table of Contents Cloud vs Local Voice Agents Architecture Overview Prerequisites ElevenLabs Account and API Setup Creating Webhook Server Tools The Webhook Server: DID Context API The Webhook Server: Booking API Creating the AI Agent via API Writing the Agent Prompt Asterisk SIP Trunk to ElevenLabs Asterisk Dialplan Routing Database Schema The Complete Setup Script Testing the Integration Production Deployment Tips Monitoring and Logging Cost Analysis Comparison: Cloud vs Local Voice Agent Troubleshooting 1.…