Please download the dossier by clicking on the dossier button x
×

Apparatus and method of explicit indication of call from emergency call centre

  • US 20070054653A1
  • Filed: 11/01/2006
  • Published: 03/08/2007
  • Est. Priority Date: 12/08/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method of explicitly indicating that a mobile station terminated call is from an emergency call centre, the method comprising the steps of:

  • maintaining an emergency callback period during which the mobile station operates in callback mode;

    initiating the emergency callback timer in response to an emergency call originating from the mobile station;

    enabling location services on the mobile station during the emergency callback mode;

    disabling location services when the emergency callbcak timer has expired;

    receiving a mobile terminated emergency call after the emergency callback timer has expired; and

    in response to receiving the mobile terminated emergency call, enabling location services.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×