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Method and system for enabling emergency sessions to be established in abnormal cases

  • US 20040121755A1
  • Filed: 12/08/2003
  • Published: 06/24/2004
  • Est. Priority Date: 04/27/2001
  • Status: Active Grant
First Claim
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1. A method for preventing barring of bearer establishment for an emergency session in a wireless communication system, the system including at least one user equipment associated with a subscriber and a first network element authorizing bearer establishment, the method comprising the following steps:

  • sending, when an emergency session is to be set up by the user equipment, a first type of connection establishment request from the user equipment to said system, the first type of connection establishment request including an indication indicating that the session to be established is an emergency session;

    receiving said indication in said first network element, said first network element authorizing, or being controlled to authorize, bearer establishment in response to said indication, wherein the system checks that the session established after the first type of connection establishment request is an emergency session, and wherein, if the session established after the first type of connection establishment request is no emergency session, the session is forcibly terminated.

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