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System and method for managing emergency requests

  • US 9,814,082 B2
  • Filed: 08/31/2016
  • Issued: 11/07/2017
  • Est. Priority Date: 06/02/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a network component that is part of a trust domain configured to;

    receive from a user equipment (“

    UE”

    ) a Session Initiation Protocol (“

    SIP”

    ) request message for a dialog that is an emergency-related request;

    update header information of the SIP request message for a dialog;

    forward the SIP request message for a dialog toward a Public Safety Answering Point (“

    PSAP”

    );

    send to the UE a SIP response message containing a P-Asserted-Identity header field in response to the SIP request message, the P-Asserted-Identity header field comprising an emergency number, the SIP response message indicating that the SIP request message for a dialog, sent by the UE, is an emergency-related request and that the UE should include location information in a response to the SIP response message; and

    receive from the UE, in response to the SIP response message, a SIP request message within the dialog, the SIP request message within the dialog containing emergency-related information comprises a UE location.

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