Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2006-01-24
2006-01-24
Cumming, William D. (Department: 2683)
Telecommunications
Radiotelephone system
Emergency or alarm communication
Reexamination Certificate
active
06990329
ABSTRACT:
At least one of voice and data information is transmitted in connection mode via a radio interface in first radio zones. In second radio zones, voice or data information is transmitted exclusively in packet mode via a radio interface. When an emergency call is issued by a subscriber station from one of the first radio zones, a voice and/or data connection is established between the subscriber station and an emergency control center. When an emergency call is issued by a subscriber station from one of the second radio zones, at least one piece of emergency information which identifies the second radio zone is transmitted to an emergency control center.
REFERENCES:
patent: 5533019 (1996-07-01), Jayapalan
patent: 5697060 (1997-12-01), Akahane
patent: 2003/0176180 (2003-09-01), Deinzer
patent: 0 679 041 (1995-04-01), None
patent: 0 679 041 (1995-04-01), None
patent: 98/31168 (1998-07-01), None
patent: 98/31180 (1998-07-01), None
“CR for Cell Selection and EDGE Compact Control Channel impacts on GSM 04.60” (Tdoc SMG2 EDGE 298/99), ETSI EDGE Workshop, Paris, Aug. 24-27, 1999, pp. 156-161.
Cumming William D.
Staas & Halsey , LLP
LandOfFree
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