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Make a FaceTime audio call from Messages
You can start a FaceTime audio call in Messages.
![Details view, which appears after you click Details in a conversation. The Audio button is in the top-right corner.](https://help.apple.com/assets/5A540238680CE27D670ECE25/5A540239680CE27D670ECE2C/en_US/dd464e6c13581446fbc2206116393faa.png)
Send a message to the person you want to have an audio call with.
Click Details, then click the Audio button
.
If you don’t see the Audio button, you may need to sign in to FaceTime. You can choose which audio input device to use in Sound preferences.
To start a FaceTime call using a different email address or phone number listed in your friend’s contact card, click and hold the Audio button
.
For more information about using FaceTime to make and answer audio calls, see Make video and audio calls.