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The article shows a screenshot saying "This might not be Mom". If Mom has an Android phone, it'd be "easy" to have an app on her phone talk to a central server saying "Mom is now calling Jen", and then for Jen's phone to get a notification (or to query the server and confirm) that Mom's phone has authenticated that it's attempting to reach Jen.

Last time I mentioned this, someone replied there's already an Apple idea (or was it a patent) for this.

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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."

Damn, I skimmed the linked article and hallucinated (all by myself, no AI involved) that the phone will be using AI (kaching) to detect if the caller is a deepfake voice...

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