I'm unable to send iMessage, because the phone number of the recipient is "non-registered" even if I got the same phone number iMessaged last week.

How can I fix this intermittent problem with iMessage?  How do I "register" phone number of someone with iMessage?

Hey aggiedoc69,

I understand you have a problem with an iMessage sending to a friend of yours. Let's see if we can get this sorted out.

One thing to try is to remove the conversation that you have with that person and send a message to them in a new conversation. Take a look at the article for this and other troubleshooting options. You can also suggest your friend try these steps as well.

If you can't send or receive messages on your iPhone, iPad or iPod touch
https://support.Apple.com/en-us/HT204065

Take it easy

Tags: Mac OS & System Software

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