Uploaded November 2025 | Updated September 2026, 1 hour ago

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Ever wondered how apps let you call a delivery driver without sharing phone numbers or how you can call your airline through an app? This video breaks down how Twilio Programmable Voice API powers secure, seamless phone calls — all controlled by your code. Get an introduction to the tech under the hood and see how easy it is to create custom voice experiences for your users.

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Key Topics
📱 How Twilio Voice enables secure calls
🔒 Protecting user privacy in phone communications
🛠️ How developers control calls with code
🎵 Customizing call experiences (like playing a song)

Chapters:
0:00 Intro
0:35 Real-life examples of Twilio Voice
1:07 How Twilio protects caller privacy
1:43 Why developers use the Voice API
2:00 How Twilio Voice call flow works
2:36 Demo scenario: playing a song with your code
2:54 Controlling calls and available options
3:05 Next steps and what you'll learn