Method and system for combining an emergency standalone...

Details Method and system for combining an emergency standalone... Method and system for combining an emergency standalone...

2008-01-15

2008-01-15

Nguyen, Quynh H. (Department: 2614)

Telephonic communications

Centralized switching system

Class of service determination or transmission

C379S009050, C379S014000, C379S014010, C379S015020, C379S015030, C379S015040, C379S112020, C379S221040, C379S279000, C379S221030

Reexamination Certificate

active

07319747

ABSTRACT:
The present invention is a system and method of combining an emergency standalone switching device with a switching system interface used to bypass the common control and switch matrix of a class5digital switch. The emergency standalone switching device provides call control of the switching system interface. The call control of the emergency standalone switching devices provides local and emergency calls to local subscribers.

REFERENCES:
patent: 6477559 (2002-11-01), Veluvali et al.
patent: 2002/0128023 (2002-09-01), Forte
patent: 2004/0081174 (2004-04-01), Lakhani et al.

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