Grok Bot can place phone calls for you now, and the written rules behind that feature put you, not the model, on the legal hook. SpaceXSI's Grok Bot Terms say the customer is the caller of record and is solely responsible for every call the bot places or receives.

A smartphone lying face up on a grey surface, an illustrative phone hardware file photo, not Grok Bot call UI. Photo: iGeeksBlog / Wikimedia Commons, CC BY-SA 4.0, modified.