Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2006-11-21
2006-11-21
Feild, Joseph (Department: 2617)
Telecommunications
Radiotelephone system
Emergency or alarm communication
C455S404200, C455S456100, C455S422100, C455S425000, C340S870030
Reexamination Certificate
active
07139549
ABSTRACT:
Herein are disclosed an apparatus and method of explicit indication of call from emergency call center. The method includes the steps of forming an emergency signal in relation to the mobile station terminated call; sending the emergency signal to the mobile station on behalf of the emergency call center; and detecting the emergency signal at the mobile station. The apparatus includes emergency signal forming means for forming an emergency signal in relation to the mobile station terminated call; emergency signal sending means for sending said emergency signal to the mobile station on behalf of the emergency call center; and emergency signal detecting means for detecting said emergency signal at the mobile station. A global emergency call information record is disclosed for use in cdma2000 type networks and the like. The apparatus and method may apply to other networks.
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Estable Luis P.
Islam M. Khaledul
Willey William Daniel
Afshar Kamran
Feild Joseph
Jones Day
Liang Robert C.
Pathiyal Krishna K.
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