Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Reexamination Certificate
2006-03-31
2010-11-02
Kuntz, Curtis (Department: 2614)
Telephonic communications
Emergency or alarm communications
Central office responsive to emergency call or alarm
C455S556100
Reexamination Certificate
active
07826598
ABSTRACT:
A method, system and apparatus for providing emergency service location of an IP telephony client. A request for an emergency call is received from the IP telephony client. Subsequently, it is determined whether an actual location of the IP telephony client is encompassed by a first location data stored at a corresponding Automatic Location Identification (ALI) database that associates a unique identifier of the IP telephony client with the first location data. The unique identifier is sent for receipt by a Public Safety Answering Point (PSAP) associated with the ALI database, if the actual location is encompassed by the first location data. An Emergency Location Information Number (ELIN) is sent for receipt by the PSAP if the actual location is not encompassed by the first location data, wherein the ELIN is associated with the actual location at the ALI database.
REFERENCES:
patent: 2006/0120517 (2006-06-01), Moon et al.
patent: 2006/0188073 (2006-08-01), Wright
Beauvais Severin
Chisolm James Ronald
Prozeniuk Perry
Truesdale Larry
Christopher & Weisberg P.A.
El-Zoobi Maria
Kuntz Curtis
Nortel Networks Limited
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