1.4 Rule
A rule determines the behaviour (one or more actions) when a call is received and special conditions as well as all exceptions of these conditions apply. Rules can also be called a filter. A rule has a name and can consist of
*one or more situations for the subscriber being called (e.g. according to the calendar),
*additional conditions which have to do with the call (e.g. the calling party number),
*an exception, and
*one sequence of actions, which is carried out when one of the situations and the conditions apply.
apply.
There are user rules and system rules.