How to help stop spam calls on iPhone and Android

Spam calls don't have to grab your attention and waste your time. Use these built-in options to silence and block them without having to pay.

Spam calls don&#39;t have to grab your attention and waste your time. Use these built-in options to silence and block them without having to pay.<p><img src="https://www.engadget.com/img/gallery/how-to-help-stop-spam-calls-on-iphone-and-android/intro-1791221397.jpg" /></p>