Dynamic essential line service

Telephonic communications – Centralized switching system – Class of service determination or transmission

Reexamination Certificate

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Details

C379S090010, C379S220010, C379S244000

Reexamination Certificate

active

07146001

ABSTRACT:
A switch-based feature that dynamically designates a class B line as class A if the call is a GETS call. The line remains class A until a non-GETS call is placed, whereupon the line reverts to its normal class B designation.

REFERENCES:
patent: 4497979 (1985-02-01), Phelan
patent: 5761278 (1998-06-01), Pickett et al.
patent: 5956396 (1999-09-01), Ash et al.

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