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John T Boatwright, David G Prince, William F Haskett, Helmut Koch: Special services add-on for dial pulse activated telephone switching office. Summa Four, Cesari & McKenna, November 4, 1980: US04232199 (167 worldwide citation)

A special services add-on specifically adapted for use in a dial pulse activated telephone switching office such as a step-by-step office to enable the addition of various modern features thereto, thereby extending the economic life of the office. The add-on is a stored program, processor based syst ...


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John T Boatwright, Charles E Boatwright: Call-disposition analyzer. Cesari and McKenna, March 1, 1994: US05291547 (10 worldwide citation)

A call-disposition analyzer (10) for determining whether calls placed by way of a private branch exchange (PBX) (12) have been completed employs current sensors (22) to monitor the trunk lines (16) that the PBX (12) uses. It thereby records the telephone numbers dialed over the trunk lines (16). It ...


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John T Boatwright: Call security system which detects fraud by examination of call history. AtComm Corporation, Elmer Galbi, January 7, 2003: US06505039 (7 worldwide citation)

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even during periods when telecommunications personnel are not able to give attention to the traffic on the sys ...


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John T Boatwright: Call security system. Stolowitz Ford Cowger, June 29, 2010: US07747243

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even during periods when telecommunications personnel are not able to give attention to the traffic on the sys ...


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John T Boatwright: Call security system. AC IP Software Institute, Stolowitz Ford Cowger, June 12, 2012: US08200190

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even during periods when telecommunications personnel are not able to give attention to the traffic on the sys ...


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John T Boatwright: Call security system. Elmer W Galbi Esq, MARGER JOHNSON & McCOLLOM PC, September 9, 2004: US20040176069-A1

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that can reduce the instances of unauthorized access. The telecommunications system collects statistics of each user's pattern of telecommunications usage. Typically, these statistics will be i ...


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John T Boatwright: Call security system. AtComm Corporation, Elmer Galbi, November 21, 2002: US20020173292-A1

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even during periods when telecommunications personnel are not able to give attention to the traffic on the sys ...


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John T Boatwright: Call security system. Stolowitz Ford Cowger, December 9, 2010: US20100310055-A1

A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even during periods when telecommunications personnel are not able to give attention to the traffic on the sys ...


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