That's almost what it does? It's in the article: > "When a contact calls you and you're both using Phone by Google, their device sends a silent confirmation si

That's almost what it does? It's in the article: > "When a contact calls you and you're both using Phone by Google, their device sends a silent confirmation signal in real time to your device to verify the call is legitimate and truly coming from the contact's device," Google writes in a blog explaining the new feature. "Because this digital handshake uses end-to-end encrypted Rich Communication Services (RCS) technology, it is completely private."