How to Block Spam Calls with Twilio Voice in Node.js

This tutorial by Dhruv Patel provides a comprehensive guide on building a spam call blocker using Twilio Voice in Node.js, leveraging Twilio Marketplace add-ons such as Marchex Clean Call and Nomorobo Spam Score. It explains how to set up a Node.js application that analyzes incoming calls to a Twilio number and either accepts or rejects them based on their spam ratings. The process involves installing and configuring the necessary add-ons from Twilio Marketplace, setting up a webhook handler in a Node.js application with Express and Twilio packages, and using ngrok to create a secure tunnel for webhook requests. The tutorial also includes instructions for testing the application and suggests enhancements like forwarding legitimate calls, adding voicemail functionality, and creating a whitelist to bypass spam checks for known contacts. Additionally, it mentions resources for further exploration of Twilio's add-ons and related communication tools.

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