The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
This program allows you to control the use of the telephone, how many minutes you talk, where you have called, what amount of data is downloaded and so on. Thus, it helps you to fit in the framework of the contract conditions. The program is mainly used in mobile phones.