(unless your carrier supports Wi-Fi Calling for other devices).
Go to > Apps > Phone (or Settings > Phone on older iOS versions). Tap Calls on Other Devices .
Linking your and Mac for FaceTime and regular phone calls creates a seamless communication ecosystem. This integration allows you to answer cellular calls on your computer, hand off active FaceTime calls between devices, and even use your iPhone’s superior camera as a wireless webcam for your Mac. Essential Setup Requirements