Emergency alert for voice over internet protocol (VoIP)
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United States of America Patent
Stats
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Apr 26, 2011
Grant Date -
Mar 1, 2007
app pub date -
Aug 23, 2006
filing date -
Aug 26, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A voice over Internet Protocol (VoIP) positioning center (VPC) is implemented in configuration with support from a text-to-voice module, emergency routing database, and VoIP switching points (VSPs) to allow a public safety access point (PSAP) or other emergency center to effectively communicate the nature of an emergency alert notification and the area of notification to the VoIP positioning center (VPC). The inventive VPC in turn determines which phones (including wireless and/or VoIP phones) are currently in the area for notification, and reliably and quickly issues the required warning to all affected wireless and VoIP phones.
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