Method of providing 911 service to a private branch exchange

Details Method of providing 911 service to a private branch exchange Method of providing 911 service to a private branch exchange

2011-07-05

2011-07-05

Woo, Stella L (Department: 2614)

Telephonic communications

Emergency or alarm communications

Central office responsive to emergency call or alarm

C379S037000

Reexamination Certificate

active

07974389

ABSTRACT:
A method of providing 911 service to a private branch exchange, includes grouping a plurality of private telephone numbers into a set. An outgoing telephone line for a 911 call is assigned to the set. A location information for the outgoing telephone line is input into a location database.

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