My devices are set to default to sending text messages as iMessages. But sometimes I don't know what the person at the other end is receiving them with. If my sent message in the Messages App displays in blue, then it went through as an iMessage; if it displays as green, it went as an SMS message, because the remote device isn't an Apple device, or because its user doesn't have iMessaging set up and turned on.Thanks Jim. So how does the iPhone get told what the recipient's capability is? Is the message bounced by the iMessage service if the recipient doesn't have iMessage (or it is switched off), and then resent as SMS by the iPhone?Otto
I have never seen an explanation of the mechanics.
What I would guess is just what you did guess.
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Posted by: Jim Saklad <jimdoc@icloud.com>
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