If the above steps fail, the barring is likely on the network side.
In many regions, carriers offer "Do Not Disturb" services to stop telemarketing spam. sms barring meaning
Navigate to your calling settings to ensure you haven't accidentally turned on a restriction. If the above steps fail, the barring is
Ensure your SMS Center number is correct. If the above steps fail
If you suspect your SMS capability is barred, follow these troubleshooting steps in order.