Introduction to VEXYL AI Voice Gateway
VEXYL AI Voice Gateway is an enterprise-grade voice assistant platform that connects your telephone system (Asterisk PBX) or web applications to AI-powered conversational agents.
Speech-to-Text
Real-time transcription with Sarvam, Deepgram, and OpenAI.
LLM Logic
Intelligent processing via OpenAI, Anthropic, or custom flows.
Text-to-Speech
Natural voice synthesis with ElevenLabs, Azure, and more.
Key Features
Multi-Provider Architecture
- STT: Sarvam, Groq Whisper, Gemini, OpenAI Whisper, Deepgram Nova
- TTS: Sarvam, Google Cloud, Azure, Deepgram, ElevenLabs, Gemini, Murf
- LLM: Sarvam, Flowise, Litebot, Custom Webhook, n8n Workflows
Three Operation Modes
- Standard Mode: Full pipeline (STT → LLM → TTS) for maximum control and custom logic.
- Gateway Mode: Direct audio passthrough to OpenAI Realtime API for sub-200ms latency.
- WebSocket Mode: Browser-based voice assistant widget for web applications.
System Requirements
| Component | Minimum | Recommended |
|---|---|---|
| OS | Linux (Ubuntu 20.04+) | Ubuntu 22.04 LTS |
| RAM | 2 GB | 4 GB+ |
| CPU | 2 cores | 4 cores |