Call barring, also known as call restriction, is a feature that allows users to block certain types of calls on their mobile phone. This feature is usually provided by the network operator and can be activated by the user. Call barring can be useful for parents who want to restrict their children's phone usage or for individuals who want to avoid premium rate calls.
2 stars. While their security is strict for a reason, they should make lifting call barring easier via their app rather than forcing users to use cryptic dialer codes or wait on hold for customer support. samsung s9 remove call barring o2