Paging system

Details Paging system Paging system

2005-12-13

2005-12-13

Ramakrishnaiah, Melur (Department: 2643)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S459000, C455S417000, C379S088150

Reexamination Certificate

active

06975875

ABSTRACT:
A paging system includes a private branch exchange telephone system (2) having a number of registered users (7). Each registered user (7) is associated with a unique identification code and, optionally, a cell phone number (5). The private branch exchange (2), in response to a call to the registered user's extension (EXT1), dialing a call to the cell phone number (5) associated with the registered user (7).

REFERENCES:
patent: 5140626 (1992-08-01), Ory et al.
patent: 5151930 (1992-09-01), Hagl
patent: 5375162 (1994-12-01), Kim et al.
patent: 6567508 (2003-05-01), Katayama
patent: 0512786 (1992-11-01), None
patent: 409163433 (1997-06-01), None

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