Users typically enable call barring to prevent international roaming charges, block premium-rate numbers, or restrict a child’s device. However, when forgotten or mistakenly activated, it manifests as the dreaded "Call Barring Active" error, or the inability to receive calls despite full signal.
| Symptom | Likely Cause | |---------|---------------| | Outgoing calls fail instantly with "Call Barring On" | Barring of All Outgoing or International | | Incoming calls go straight to voicemail without ringing | Barring of All Incoming or When Roaming | | Specific numbers (e.g., 1-900) fail; others work | Barring of Specific Numbers (handset-level) | | "Network or SIM card error" | Incorrect barring password or carrier restriction | how to remove call barring
"All call restrictions have been deactivated" or a USSD message confirming success. Specific Removal Codes (If You Know Which Bar Is Active) Use these if you only want to remove one bar type: Users typically enable call barring to prevent international