AutomationFeatured Production Project

Auto Dialer System

Autonomous Lead Calling & Voice AI Solution

An automated outbound telephony engine built with Twilio Voice APIs, Vapi Voice AI integration, and n8n workflows. The platform triggers automated calls to sales leads, conducts natural voice conversations, captures intent, and synchronizes call summaries with CRM databases.

85%

success Rate

Autonomous

workflows

< 500ms

call Latency

Instant

crm Sync

The Challenge

Sales and support teams lose high-intent leads due to slow response times and manual dialing constraints.

The Solution

Created an automated voice agent pipeline that instantly receives new lead webhooks, initiates outbound telephony calls within 30 seconds via Twilio, and conducts conversational qualification via Vapi AI.

System Architecture & Integration Details

Trigger: Webhook event from incoming lead capture forms into n8n

Voice Orchestration: Vapi engine handling natural language audio processing and speech synthesis

Telephony: Twilio SIP trunking and programmable voice handling PSTN routing

Data Persistence: Automated post-call webhook parsing transcription and updating PostgreSQL/MongoDB

Key Deliverables & Highlights

Integrated Twilio Programmable Voice with Vapi conversational AI agents

Architected n8n webhook pipelines to automate trigger-based outbound dial sequences

Implemented automated call recording, transcription, and sentiment extraction

Built CRM synchronization pipelines saving lead responses into centralized databases

Technology Ecosystem Used

TwilioVapin8nNode.jsVoice AIWebhooksREST APIs

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