is a service provided by mobile network operators (like Verizon, T-Mobile, Airtel, Vodafone, or China Mobile) that allows a subscriber to block certain categories of calls. Unlike blocking a specific contact (which is done on the phone itself), Call Barring works at the network level. This means the restriction is enforced by the cellular tower and switching center, not by the phone’s local software.
: It is a service provided by your carrier (e.g., AT&T, Verizon, Vodafone) rather than just a software setting on your phone. what is call barring setting