First responder communication system

Details First responder communication system First responder communication system

2005-12-30

2010-10-12

Ly, Nghi H (Department: 2617)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S404200, C455S550100, C455S090100, C379S188000

Reexamination Certificate

active

07813713

ABSTRACT:
The first responder communication system provides a digitally signed data object identifying first responders. Utilizing the digitally signed data object, a mobile cellular switching system (MCS), has a call completion protocol to verify first responder call status and permit the connection to queue. Upon emergency declaration, non-first responders are denied access to the system. The digitally signed object may be provided by a PIV card interfaced to the wireless cellular telephone. The digitally signed object is released from the PIV after a user enters a PIN using a key pad of the cellular telephone. After the valid digitally signed object has been transmitted, continued priority cell phone operations is provided for the validity time period even though the PIV has been removed from the cell phone interface.

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