The phone number "is not registered with iMessage"

Hi everyone,


Right now I can't seem to send some text messages from my OS X. Here is a list of things I have done that will have caused the error:

  • I fresh installed Yosemite about 2 days ago
  • I updated my iPhone to 8.1 this afternoon
  • I paired my device (I was able to send some texts from OS X)
  • I fresh installed iOS 8.1 on my iPhone
  • I can't send some text messages from my computer


When I start a new conversation on iMessage, the name of the person remains red. When I try to send a message I get a popup saying: "<the number> is not registered with iMessage". The handoff is well configured because I am able to see an icon appear in the dock when I use the notes app.


What can I do to make this functionality work again?


Thanks

Posted on Oct 20, 2014 5:00 PM

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Question marked as Top-ranking reply

Posted on Oct 9, 2017 8:40 AM

Had exactly the same issue recently, ways to solve it:

- sign out from iMessage on computer (messages => preferences => accounts => sign out)

- sign out from iMessage on phone (settings => messages => toggle "iMessage" off

- sign in to iMessage with applID on phone (settings => messages => toggle iMessage on, click on "use appleID for iMessage)

- sign in to iMessage on computer (messages => preferences => accounts => sign in)

- close and reopen messages on computer, works

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The phone number "is not registered with iMessage"

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