SMS issues
Having trouble with sending SMS?
How do I understand SMS errors?SMS errors are responses from the local infrastructure when SMS cannot be delivered. Understanding them helps debug why delivery is failing.
I can't send SMS to my device due to absentSubscriber errorMake sure your device is registered to the network on GSM.
Is there a way to restrict outgoing SMS from the device without restricting incoming SMS?No. You cannot restrict outgoing (Mobile Originated) SMS without effectively disabling incoming (Mobile Terminated) SMS.