Text messages keep saying "message not sent"


    two different phones. Unlocked samsung note 8 and an unlocked Moto G5+. Started a couple of weeks ago. The messages seem to have been sent and will send again if tapped to re send. I have tried both with data only and on wifi. I have also tried multiple apps, textra, android messages, stock samsung, mood, pulse. This is on two different lines. I have even restored my phone.

    Any ideas?

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