System and method to provide 911 access in voice over internet protocol systems without compromising network security
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United States of America Patent
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May 8, 2007
Grant Date -
N/A
app pub date -
Jun 19, 2002
filing date -
Jun 19, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method to provide emergency call access in Voice over Internet Protocol (VoIP) systems without compromising network security. The system and method enables VoIP emergency signal detection at a user device, and transmission of the VoIP emergency signal from the user node to a network server node through the use of data encapsulation and decapsulation (or 'tunneling'), allowing VoIP data routing via an IP transport layer regardless of access or network security restrictions.
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