Directory assistance call completion via mobile systems
October 1, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesComprehensive automatic mobile radio telephone system Comprehensive automatic directory assistance apparatus and method thereof Mobile radio communication system Semi-automated directory assistance systems Communication system Customer activation system Directory assistance call processing and calling customer remote signal monitoring arrangements Cellular mobile radiotelephone-based system for rental of mobile equipment Directory assistance systems Method of processing cellular telephone call detail data for billing multi-line customers for cellular telephone services InventorsAssigneeApplicationNo. 953675 filed on 10/01/1992US Classes:455/417, Call diversion370/338, Contiguous regions interconnected by a local area network379/88.22, Message management379/114.01, Call charge metering or monitoring379/213.01, Intercept (e.g., dead or changed number)455/406, Billing455/415, Caller identification455/565Restrictive dialing circuitryExaminersPrimary: Kuntz, CurtisAssistant: Cumming, William Attorney, Agent or FirmForeign Patent References
International ClassH04M 011/00AbstractA user of a wireless communication service, e.g. a cellular telephone subscriber, can dial directory assistance; and upon request, the operator service system (OSS) will complete a call connection to a station identified in a retrieved directory listing. The switching office of the wireless communication system will forward data to the operator service system and will provide a connection of the call to the operator service system, both via a dedicated trunk. This trunk utilizes Feature Group D signaling. The OSS identifies the particular carrier providing the wireless communication service based on the identification of the dedicated trunk. The operator service system records the request for call completion, any details of the connection to the identified station necessary for billing and the identity of the requesting terminal. All of this data is forwarded to the identified service operator who in turn adds charges for directory assistance and for the call completion to the user's bill for wireless communication services.Other References
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