System Architecture
A complete voice infrastructure pipeline from caller to AI agent response.
📞
Caller
Inbound or outbound phone call initiated
📡
Telephony Provider
SIP/PSTN via Twilio, Vonage, or Telnyx
🔌
WebSocket Audio Stream
Bidirectional real-time audio transport
🎙️
Speech Recognition
STT via Deepgram, Gladia, or Whisper
🧠
AI Agent Router
Multi-agent orchestration with context preservation
⚡
Business Tools & APIs
CRM, database, ticketing, analytics integration
🔊
Voice Synthesis
TTS via ElevenLabs with 29+ languages
📱
Caller Response
Natural conversational response delivered
Key Components
Real-time Streaming
Sub-200ms WebSocket connections for zero-lag conversations
Multi-agent Orchestration
Context-preserving transfers between specialized AI agents
LLM Reasoning Engine
Multi-model support with tool calling and structured outputs
Tool Execution Layer
API calls, database queries, and business logic in real-time
Voice Synthesis
Ultra-natural speech generation with voice cloning support