Versa-VAPI

A Node.js application for integrating Jambonz and VAPI phone services with DTMF sequence support.

Features

• Call routing to VAPI via Jambonz trunk
• Call authentication via Versa API
• DTMF sequence sending with configurable delays
• SIP REFER handling for call transfers
• Audio file serving for call music

Quick Start

# Install dependencies
npm install

# Run the application
JAMBONZ_REST_API_BASE_URL=https://jambonz.one/api/v1 \
JAMBONZ_ACCOUNT_SID=your-account-sid \
JAMBONZ_API_KEY=your-api-key \
APP_TRUNK_NAME=your-trunk-name \
VERSA_BASE_URL=https://versa-api.example.com \
VERSA_API_KEY=your-versa-api-key \
npm start

Environment Variables

• JAMBONZ_REST_API_BASE_URL: Jambonz API base URL
• JAMBONZ_ACCOUNT_SID: Your Jambonz account SID
• JAMBONZ_API_KEY: Your Jambonz API key
• APP_TRUNK_NAME: Jambonz trunk name for VAPI
• VERSA_BASE_URL: Versa API server URL
• VERSA_API_KEY: Versa API key
• HTTP_PORT: Web server port (default: 3000)
• LOGLEVEL: Logging level (default: debug)

DTMF Format

• Regular digits: 0-9, #, *
• Delays: p (100ms), s (500ms), S (1000ms)
• Example: "123#1pp2sS4" - Send "123#1", wait 200ms, send "2", wait 1500ms, send "4"

Endpoints

• /proxy-vapi: Main call routing endpoint
• /dial-test-mint: DTMF testing endpoint
• GET /audios/:audio: Serves audio files

Deployment

pm2 start ecosystem.config.js