Start an activity and pass data to it

Android activity manager.
More information: <https://developer.android.com/studio/command-line/adb#am>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

am start -a {{android.intent.action.VIEW}} -d {{tel:123}}

click the source code to copy install am on any operating system with command-not-found.com