Time, date and originating number display provided to...

Details Time, date and originating number display provided to... Time, date and originating number display provided to...

2007-05-08

2007-05-08

Tieu, Binh (Department: 2643)

Telephonic communications

Reception of calling information at substation in wireline...

C379S093230, C379S114020, C379S142170, C379S245000

Reexamination Certificate

active

09572527

ABSTRACT:
For analog telephone service subscribers, an apparatus and a method is provided for displaying a caller's originating number and/or the current time of day on the subscriber's incoming call line identification equipment. The subscriber's originating telephone number is obtained from a database within the telephone switching system providing POTS service to the subscriber. The time of day is obtained from a real-time clock within or in communication with the telephone switching system. Data is preferably transmitted to the subscriber's equipment by analog frequency shift keyed protocol.

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