communication between 2 iphones
Can two iphones act as walkie talkies?
iPhone 12, iOS 16
Question marked as
If you're imagining a digital radio communications link involving a radio tower and relay as the intermediate within the communications such as a modern P25 radio communications network, yes, sure. There are apps for that. Zello is one, and there are others.
If you're imagining something akin to an analog and direct device-to-device radio link with no intermediary acting as a relay (using ad hoc Wi-Fi or similar), it looks like there's at least one: https://apps.apple.com/us/app/walkie-talkie-p2p/id1181349764