Electronic lock, switching, and hold devices for telephones

Details Electronic lock, switching, and hold devices for telephones Electronic lock, switching, and hold devices for telephones

H - Electricity

04

M

379/108

H04M 1/02 (2006.01) H04M 1/67 (2006.01) H04M 1/80 (2006.01)

Patent

CA 1160783

Abstract: The present invention relates to a device containing accessory controls for an associated telephone to control the operation of the telephone circuits. The device includes a housing which conforms to the contour of the telephone, so as to be conveniently mounted below the cradle thereof. A card containing logic to control the operation of the telephone circuits is positioned within the housing. An actuator assembly may be included within the housing to cause the control logic to be selectively energized. In operation, the presently disclosed device is adapted to prevent the placing of unauthorized calls from the associated telephone, switch an incoming call to an accessory or extension telephone, or place the associated telephone on hold, so that the hand set can be returned to the cradle without disconnecting an existing caller.

372671

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