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Advanced port-based E911 strategy for IP telephony

  • US 20060120517A1
  • Filed: 01/06/2006
  • Published: 06/08/2006
  • Est. Priority Date: 03/05/2004
  • Status: Active Grant
First Claim
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1. A method for providing emergency location information to an emergency service provider, comprising:

  • (a) providing an enterprise network comprising at least one communication device, an Open Systems Interconnect (OSI) switch and a corresponding enterprise switch, wherein the communication device is wirelessly connected to an access point and the access point is connected to the OSI switch, the enterprise network corresponding to a plurality of Emergency Location Information Numbers (ELINs) associated with differing segments of the enterprise network, and wherein the OSI switch serves at least one of the differing segments;

    (b) when a predetermined first event occurs, the access point obtaining a unique access point identifier and an electronic address of the communication device serviced by the access point; and

    (c) when at least one of the predetermined first event and a predetermined second event occurs, the enterprise switch obtaining at least one of the access point identifier and a communication device unique identifier, wherein the first and second events are unrelated to the initiation of a contact to a universal emergency number.

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