IP-based enhanced emergency services using intelligent client devices
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United States of America Patent
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Sep 27, 2011
Grant Date -
Jan 1, 2009
app pub date -
Sep 5, 2008
filing date -
Oct 21, 2003
priority date (Note) -
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Abstract
Providing enhanced emergency services (E-911) to an IP Telephony-based PBX or similar system, by utilizing aspects of the intelligence of end-user SIP client devices to address challenges and difficulties associated with E-911-like services in LAN-based telephony environments.
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