Duplex WebSocket Voice AI Agent
Duplex WebSocket voice AI agent handling client acquisition using Whisper STT, Orpheus TTS, and LangGraph orchestration.
Overview
Developed an autonomous inbound lead acquisition system utilizing a duplex WebSocket voice AI agent. The agent handles natural voice conversations with low latency.
Built a hybrid RAG pipeline featuring Pinecone dense-sparse search, Cohere reranking, and HyDE retries, coupled with a BANT lead qualification process that outputs structured JSON.
The Challenge
Client acquisition teams struggled to respond to inbound leads instantly, resulting in lost opportunities due to delayed follow-ups.
The Solution
Created an autonomous voice agent capable of answering inbound calls instantly, qualifying leads, and booking meetings directly in calendars.
The Outcome
Automated the entire initial sales qualification funnel, eliminating human scheduling delays and capturing clean, structured BANT data for CRM tools.