1# Call 2 3### Introduction 4 5This sample shows how to make a call and view the call information. 6 7### Usage 8 91. Enter a phone number and tap **Call** to make a call. 10 112. Check the call information, including whether the call is successful, whether a call is ongoing, the call status, whether the called number is an emergency number, and the formatted phone number. 12 13### Constraints 14 15This sample can only be run on standard-system devices. 16