Telephone paging system and method

Details Telephone paging system and method Telephone paging system and method

H - Electricity

04

M

344/16, 325/30

H04M 3/42 (2006.01) H04M 11/02 (2006.01)

Patent

CA 1254979

ABSTRACT OF THE DISCLOSURE An improved telephone paging system and method are disclosed. The system interfaces with a convention- al telephone branching system, such as a PBX, and remote pager devices which are worn by subscribers to the sys- tem. A plurality of PBX extension telephone lines are connected to the system via a subscriber line inter- face, and one PBX extension line is connected to this system via a control line interface. The subscriber line interface is used to detect ring signals on the selected extension lines. When a ring signal has been detected on a selected line, the microprocessor-based system sends command signals to the PBX to place the incoming call on hold. The system identifies a paging code signal distinctively corresponding to the subscriber line on which the ring signal was detected. The identi- fied paging code signal is sent to a transmitter which transmits the paging code signal to all pagers within its range. The pager which distinctively corresponds to the paging code signal will be activated and produce a paging signal. The subscriber may then retrieve the parked call from the PBX via any PBX extension line. To perform these functions, the subscriber to the dis- closed telephone paging system may also enable or dis- able his pager, test his pager, or directly page another subscriber via the dedicated command line. To perform these functions, a subscriber calls the extension phone number corresponding to the command line and depresses the telephone keys which represent certain instruction in response to command signals sent by the microproces- sor. Other embodiments of the telephone paging system are disclosed that interface with a PBX with a directed- call-pickup feature and that permit additional extension lines to be connected to the system.

480417

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