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> But iMessage is already open? How do you send/receive messages from a Windows system? My guess is that you think iMessage is SMS-only.

• TZubiri 9mo ago
  >How do you send/receive messages from a Windows system? You can send an SMS. >My guess is that you think iMessage is SMS-only No, there's Apple's proprietary protocol, that you can only use on Apple devices. But from non Apple devices you can use the standard SMS.
  • cheema33 9mo ago
    >> My guess is that you think iMessage is SMS-only > No, there's Apple's proprietary protocol... Earlier you asked: "But iMessage is already open?" Now you are saying that iMessage uses "Apple's proprietary protocol". I hope now you understand that when people say that Apple iMessage is not open, they are not talking about the SMS protocol that Apple does not own.