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Protocol converting 9-1-1 emergency messaging center

DC
  • US 8,149,997 B2
  • Filed: 05/26/2009
  • Issued: 04/03/2012
  • Est. Priority Date: 05/30/2008
  • Status: Active Grant
First Claim
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1. A protocol converting messaging center, comprising:

  • a media gateway;

    a back-to-back user agent (B2BUA) that uses Session Internet Protocol (SIP) Body rewrites to insert a current location of an emergency caller device into an emergency call during call setup;

    a module adapted to integrate with said B2BUA and allow said B2BUA to query various databases using both standard and proprietary protocols; and

    a module to determine a protocol used to reach a proper responder to said emergency call using information contained in a responder database;

    wherein said emergency caller device using a time division multiplex (TDM) trunk is able to access a Public Safety Answering Point (PSAP) using Internet Protocol (IP).

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