If a device (Mac, iPad, etc.) that is signed in with the same Apple ID as your iPhone is nearby and connected to Wi-Fi, you can use the phone function of your iPhone (make/receive calls) on other devices. increase.

iPhone View and check the devices associated with your Apple ID Use your Apple ID for iPhone FaceTime iPhone Sign in to Apple (iCloud)

You must be signed in to FaceTime and iCloud with the same Apple ID in order to “turn on” calls on other devices. Let’s check these first.

How do I set up calls on other devices?