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Phone Calls with .NET and Twilio – Webinar Recording

The recording for our webinar, Phone Calls with .NET and Twilio with software engineer and technical content creator at TwilioNiels Swimberghe, is now available. Subscribe to our community newsletter to receive notifications about future webinars.

In this webinar, learn how to add phone calls to your .NET applications using Twilio APIs! In this talk, we’ll cover:
– how to get a programmable phone number
– how to develop webhooks to manage phone calls using TwiML
– how to make and receive phone calls from a Blazor application

Webinar Agenda:

  • 00:00 – Introduction
  • 05:20 – Talk Agenda
  • 09:40 – Twilio CLI and Hello, World
  • 18:00 – TwiML and Response Tags
  • 22:00 – Webhooks with Twilio
  • 23:15 – Minimal APIs with ASP.NET Core
  • 32:00 – Testing with HTTP Client
  • 44:00 – Taking Phone Calls from Audience
  • 46:38 – Questions / Intermission
  • 47:45 – Blazor WASM calling demo
  • 55:00 – Blazor WASM architecture explanation
  • 01:00:00 – Code walkthrough
  • 01:15:00 – Wrap Up
  • 01:20:00 – Good Bye


About the presenter:

Niels Swimberghe

Niels Swimberghe is a Belgian American software engineer and technical content creator at Twilio. Get in touch with Niels on Twitter @RealSwimburger and follow Niels’ personal blog on .NET, Azure, and web development at

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