Most mobile phones have a built-in feature called "Call Barring" (sometimes found under Call Settings > Supplementary Services ). Users often enable this accidentally, or a child playing with the phone might toggle it on. There are usually four options:
It is important to distinguish between two types of barring: outgoing call barred
Sometimes, the issue is not with your phone or account, but with the carrier. During major events, emergencies, or maintenance windows, the network might block outgoing calls to manage traffic. Most mobile phones have a built-in feature called
If "All outgoing calls" is toggled on, your phone will not dial out. or maintenance windows