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.
The enhanced version of a standard plan of outgoing calls offers the administrators more control over outgoing calls within their groups. In addition to “blocking” and “access” of definite calls, administrators also have an opportunity to customize the profile of outgoing calls of their group and separate participants.