H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/13
H04M 11/04 (2006.01) H04Q 3/00 (2006.01)
Patent
CA 1333296
A group emergency call system for use in a central office exchange or other communication system for alerting a group of people in the event of an emergency. Data in the form of a hunt group assignment table is stored within the communication system, containing a predetermined pilot number for defining a particular emergency hunt group within the communication system, and a plurality of directory numbers corresponding to respective ones of the subscriber sets assigned to the emergency hunt group. Circuitry is provided for receiving dialed digit signals designating an incoming emergency call from a predetermined one of the subscriber sets and comparing the dialed digits with the pilot number, and in the event the dialed digit signals correspond to the predetermined pilot number generating a request device message signal. Circuitry is provided for receiving the request device message signal and in response retrieving the directory numbers from the emergency hunt group assignment table and generating a plurality of ringing signals for simultaneously ringing respective ones of the subscriber sets assigned to the emergency hunt group, such that members of the emergency hunt group are alerted to the incoming emergency call.
583164
Mitel Networks Corporation
Shapiro Cohen
LandOfFree
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