Alpha Studi0 AI Employee Platform
Deploy AI-powered employees that answer phone calls, qualify leads, schedule appointments, and automate customer interactions.
Overview & Impact
The Problem & The System Solution
The Problem
Many small and medium-sized businesses miss calls, lose leads outside working hours, and rely on manual call handling that does not create structured insights.
The System Solution
Built a cloud-hosted AI employee platform using Twilio Voice, ElevenLabs for voice synthesis, and Google Gemini for real-time reasoning — supported by a business-specific knowledge layer, automated transcription, lead qualification, scheduling, and a multi-tenant analytics dashboard.
Traditional IVR systems are broken. They frustrate callers with touch-tone menus, offer no real intelligence, and leave businesses with zero insight into what their customers actually need. Answering services are expensive and don't scale.
Alpha Studi0 AI Employee Platform deploys AI-powered employees that understand natural language, know your business deeply, can book appointments directly into Google Calendar, qualify leads against your ideal customer profile, and deliver every conversation as structured analytics.
The core technical challenge was latency. Real-time voice conversations require sub-second response times. The architecture streams audio directly from Twilio through ElevenLabs for voice synthesis and Gemini for reasoning, processing speech without any buffering delay that would make the interaction feel unnatural.
Architecture & System Flow
System Design Visualizer
Alpha Studi0 Sub-Second Voice Architecture
Decoupled from live audio stream: Fastify queue processes transcript asynchronously for zero-latency call performance.
Step-by-Step System Execution Payload
Twilio Voice WebSocket Gateway
8kHz μ-law PCM bidirectional audio chunk stream
Key Engineering Decisions
Architected sub-second audio response pipeline using real-time streaming buffers between Twilio, ElevenLabs, and Gemini.
Separated call processing from post-call structured intelligence extraction to keep live calls zero-latency.
Persisted all transcriptions and metadata in Supabase PostgreSQL with tenant isolation boundaries enforced at the database level.
Technology Stack
Production Technologies
Frontend dashboard, analytics UI, and business settings interface
Component-based UI for dashboard and conversation replay
End-to-end type safety across frontend and backend services
High-performance Node.js backend for call processing and API layer
Server-side WebSocket handling and real-time audio streaming
Real-time speech-to-text and text-to-speech voice synthesis
LLM reasoning engine for conversation understanding and response generation
LLM gateway for model fallbacks and cost-optimized routing
PostgreSQL database with row-level security for multi-tenant data isolation
Relational storage for calls, transcripts, leads, and business configs
PSTN call handling, WebSocket audio streaming, phone number provisioning
Real-time availability checking and appointment booking during calls
Cloud deployment platform for Fastify backend with auto-scaling
Features & Capabilities
What It Does
AI Receptionist
Handles inbound calls 24/7 with natural conversation flow and business awareness.
Voice AI
ElevenLabs voice synthesis delivers human-quality audio responses in real time.
Knowledge Base
Business-specific context injected per call — products, pricing, FAQs, hours, staff.
Lead Qualification
AI evaluates caller intent and scores leads against your ideal customer profile.
Appointment Booking
Google Calendar integration books appointments live during the conversation.
CRM Integration
Call outcomes, contact info, and lead scores written to your CRM automatically.
Analytics Dashboard
Real-time visualization of call volume, lead quality, and conversation outcomes.
Call Summaries
AI-generated structured summaries of every conversation delivered post-call.
Multi-Tenant SaaS
Row-level security in Supabase isolates each business's data completely.
Workflow Pipeline
Step-by-Step System Flow
Customer Calls
Inbound call arrives via Twilio PSTN. WebSocket stream established instantly.
Speech Recognition
Real-time audio buffer streaming. ElevenLabs converts speech to text with sub-200ms latency.
LLM Reasoning
Google Gemini 2.0 Flash processes the transcript with business context injected as system prompt.
Knowledge Retrieval
Business-specific knowledge base queried for company info, pricing, FAQs, and service details.
Tool Calling
Agent determines if appointment booking, lead qualification, or CRM update is needed.
Calendar Integration
Google Calendar API checks availability and books appointments in real time during the call.
Response Generation
ElevenLabs synthesizes natural-sounding voice response streamed back through Twilio.
Post-Call Intelligence
Fastify backend processes transcript asynchronously: summarization, lead scoring, CRM write.
Analytics Dashboard
Conversation data, lead scores, and call outcomes pushed to Supabase and visualized in dashboard.
Interface & Dashboard
Alpha Studi0 AI Employee Platform Interface
Analytics Dashboard
Conversation View
Engineering Challenges
Hard Problems Solved
The Problem
Any perceptible delay in a phone conversation feels broken. Traditional API request/response cycles add 800ms–2s of latency — unacceptable for real-time voice.
Engineering Solution
Architected a full streaming pipeline: Twilio WebSocket → ElevenLabs streaming STT → Gemini streaming inference → ElevenLabs streaming TTS → Twilio WebSocket. No buffering anywhere in the path.
Results & Evaluation
What Was Achieved
Future Roadmap
What's Next
8 planned features · Active development
Source Code
GitHub Repository & Codebase
A production real-time AI receptionist platform that handles inbound business calls, understands company context, qualifies leads, schedules appointments, and converts conversations into structured business intelligence.