Ericsson Gmbh

Jeff Bilger

Martin Reichelt

A method and system that enables a subscriber and/or operator to specify one or more conditions under which a given feature such as a supplementary service (SS) is to be executed. When a call event occurs, the relevant telecommunications network evaluates a logical expression that includes variables corresponding to the specified conditions. If (i) the specified conditions are such that the logical expression for the given feature is &ldquo;TRUE&rdquo; and (ii) the feature is &ldquo;ON&rdquo;, then the network executes the given feature and may further perform a specified task related to the executed feature. If (i) the logical expression is not evaluated to &ldquo;TRUE&rdquo; or (ii) the feature is not &ldquo;ON&rdquo;, then the network does not execute the given feature. The network preferably evaluates a logical expression at least for each feature that the subscriber has turned &ldquo;ON&rdquo;. The method and system is applicable to, for example, the call forwarding, call waiting, multi-party calling, and call barring features. The conditions may include, for example, time, usage, password, and calling party number.

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Jeff Bilger