Call management in a telecommunications system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C370S428000, C370S338000, C380S286000, C455S456100, C455S410000, C455S445000, C340S539130, C340S528000, C340S531000, C340S573100, C340S521000, C348S143000

Reexamination Certificate

active

08064898

ABSTRACT:
A system and method of covertly monitoring a communications device, the method that includes using a separate monitoring device to monitor a monitored communications device, without any indication of the monitoring being received by the monitored communications device.

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