Both require your Mac and iPhone to access the same Wi-Fi network to enable seamless notifications on new calls. If you want to set up notifications for new calls on your Mac, go to Settings > Phone and then turn on Wi-Fi Calling and Calls on Other Devices.
Make sure that you’re using the same Apple ID on both your iPhone and Mac to receive notifications on new voice calls and messages. You can leverage Apple’s Continuity to receive iPhone notifications on your Mac. How to receive iPhone notifications on a Mac However, its notification functionality with iOS is currently quite limited. The Your Phone app also has the option to connect your Windows system with an iPhone.
Press Done on the phone and Get started on your computer.