Voice AI Agent

Talk to Jessica
Like a Real Person

Real-time voice AI with sub-second latency. Call from any phone or speak through your browser. Jessica listens, understands, and responds naturally — powered by OpenAI’s Realtime API.

<1s
Latency
24/7
Voice Agent
2-Way
Phone + Web
LISTENING .

Engineered for Natural Conversation

Jessica Voice Agent combines cutting-edge speech AI with telephony infrastructure to deliver human-quality voice interactions at machine speed.

Real-Time STT / TTS

Speech-to-speech pipeline via OpenAI Realtime API. No intermediate text lag. Direct audio stream processing with sub-second response times.

Phone Integration

Twilio-powered inbound and outbound calling. Customers call a real phone number and talk directly to Jessica. No app download required.

Browser Voice Chat

WebRTC-powered in-browser voice interface. Zero latency peer connection. Works on desktop and mobile browsers with no plugins needed.

Emotion Detection

Analyzes vocal tone, cadence, and sentiment in real-time. Adapts responses based on caller mood. Escalates when frustration is detected.

Context Memory

Maintains full conversation history across sessions. Remembers caller preferences, past interactions, and unresolved items for seamless continuity.

Multi-Language

Supports voice conversation in multiple languages with automatic language detection. Switches languages mid-conversation when needed.

Architecture Overview

End-to-end voice pipeline: from phone call to AI response in under one second.

TTS AUDIO RESPONSE User Phone Inbound Call Twilio SIP / WebHook Fastify Orchestration OpenAI Realtime STT + LLM + TTS WEBRTC BROWSER PATH

Built With the Best

Production-grade infrastructure powering every voice interaction.

OpenAI Realtime Speech-to-Speech
Twilio Phone Network
Fastify HTTP Server
WebRTC Browser Voice
Node.js Runtime
WebSocket Real-time Comms

System Performance

Voice Latency (End-to-End) 96% sub-1s
Speech Recognition Accuracy 94%
Uptime (30-Day Average) 99.9%
Emotion Detection Confidence 87%
Multi-Language Coverage 12 Languages

Ready to Give Your Product
a Voice?

Jessica Voice Agent is part of the Mavi ecosystem. Explore the full platform to see what else is possible.

Back to Mavi Hub