Emergency alert for voice over internet protocol (VoIP)

Details Emergency alert for voice over internet protocol (VoIP) Emergency alert for voice over internet protocol (VoIP)

2011-04-26

2011-04-26

Ramakrishnaiah, Melur (Department: 2614)

Telephonic communications

Emergency or alarm communications

Central office responsive to emergency call or alarm

C379S041000, C379S037000, C370S252000

Reexamination Certificate

active

07933385

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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