The service allows you finding out who has called you, when the telephone line was busy, switched off or was outside the zone of coverage. By doing so, it ensures that an important call will not be missed.
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.