Apple invention is for a ‘user interface for phone call routing among devices’
<p style="white-space: pre-wrap;">Apple has filed for a patent (number 20180234549) for a “user interface for phone call routing among devices.” It involves the current (and future?) tech behind Continuity, which allow various Apple devices to work together so that, for instance, you can make and receive phone calls on your Mac without picking up your iPhone.</p>