Importance

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Abstract

A method is disclosed of processing telephone calls with customized services in a telephone system with CCIS (Common Channel Interoffice Signaling) in which all offices are not required to have CCIS capability. The entitlement of a call to customized service is verified by transmitting from an action control point (TSPS 13) via CCIS (15, 16, 17, 19) a data message identifying calling and called entities. The message is transmitted to a data processing facility (19) associated with the terminating office (14). If the call is so entitled, a fictitious number (44) is assigned to the call and returned to the action control point. The fictitious number is stored at the data processing facility with the called entity identification. The call is completed from the action control point using the fictitious number. Upon receipt of the call directed to the fictitious number, the terminating office obtains the identity of the called entity from storage and completes the call with customized service.

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First Claim