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[[Voice Agent]]

Category: AI / Automation
Related: [[ElevenLabs]], [[Whisper]], [[FastAPI]], [[Webhooks]]

🎯 What is it?

An AI-powered voice agent that can: - Receive inbound calls/messages - Understand natural language via [[Whisper]] - Respond using LLM + [[ElevenLabs]] TTS - Execute actions via webhooks - Store context in [[CRM]] or database

🏗️ Common Architecture

┌─────────────┐     ┌──────────────┐     ┌─────────────┐
│  Caller     │────▶│  ElevenLabs  │────▶│  Whisper    │
│             │     │  (Voice)     │     │  (STT)      │
└─────────────┘     └──────────────┘     └──────┬──────┘
                                                │
                                                ▼
┌─────────────┐     ┌──────────────┐     ┌─────────────┐
│  Response   │◀────│  ElevenLabs  │◀────│   LLM       │
│  (TTS)      │     │  (Voice)     │     │  (GLM/kimi) │
└─────────────┘     └──────────────┘     └─────────────┘
                                                │
                                                ▼
                                         ┌─────────────┐
                                         │  Webhooks   │
                                         │  (Tools)    │
                                         └─────────────┘

📋 Implementation Checklist

  • [ ] ElevenLabs API key configured
  • [ ] Whisper / faster-whisper installed
  • [ ] Silero VAD for voice detection
  • [ ] WebSocket server (FastAPI)
  • [ ] LLM endpoint (cloud or local)
  • [ ] Webhook tools registered
  • [ ] Cloudflare tunnel (for public access)
  • [ ] Memory/context storage

📂 Active Voice Agents

  • [[Bizey Travel Demo]]
  • [[StayVista AI Voice Agent]]
  • [[Liquor Factory Voice Agent (Tilaknagar)]]
  • [[Kalpataru Voice Agent]]
  • [[JARVIS Voice Assistant]]
  • [[PropVoice Voice Agent]]

🔧 Common Issues

  1. WebSocket timeout → Check Silero VAD + faster-whisper
  2. Mic blocked → HTTPS required (self-signed cert causes issues)
  3. No response → Check ElevenLabs API key + LLM endpoint
  4. Voice lag → Reduce context window size

Last updated: 2026-08-01