MTN call barring

MTN call barring is a service that helps customers block all (or some) incoming / outgoing calls on their MTN lines. This guide is aimed at showing you how to activate or deactivate call barring on your MTN line. But, first of all, we’ll talk about all the different options people who decide to use this service have. People who purchase MTN SIM cards do that for varying reasons. For one reason or the other,...