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

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

  • US 7,050,785 B2
  • Filed: 12/08/2003
  • Issued: 05/23/2006
  • Est. Priority Date: 12/08/2003
  • Status: Expired due to Term
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:

  • providing location privacy at the mobile station;

    placing a mobile station originated emergency call;

    maintaining an emergency callback timer having an emergency callback period during which the mobile station operates in emergency callback mode; and

    determining if the mobile terminated emergency call occurs outside of the emergency callback period; and

    if so determined then enabling location services.

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