Importance

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Abstract

An apparatus, method and system are provided which, for a wireless telecommunication session handled by a mobile switching center, allow an adjunct network entity, such as an intelligent peripheral, a service node, a service control point, or another switching center, to maintain control over the telecommunication session and, in the preferred embodiment, provide intelligent network services. Such control is provided without the adjunct network entity monitoring or maintaining a direct connection the telecommunication session, such as a voice path or other circuit-based connection. In the various embodiments, the adjunct network entity maintains such control through the transmission of a control message to the mobile switching center, in which the control message includes various directives to the mobile switching center, such as a redirection directive, directing the switching center to route or reroute a call leg to specified digits; an announcement directive, directing the switching center to play a specified announcement during the telecommunication session; or an action directive, directing the switching center to perform a specified action such as releasing the telecommunication session.

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First Claim