Yep, there must be some kind of flag on the message payload to indicate Siri dictation. I wonder if that flag gets sent through SMS at all though, if the recipi

Yep, there must be some kind of flag on the message payload to indicate Siri dictation. I wonder if that flag gets sent through SMS at all though, if the recipient is not on iMessage. My guess is there’s nothing in the SMS spec for arbitrary user data like that, but maybe I’m wrong.