Apparatus and method of explicit indication of call from emergency call centre
First Claim
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.
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Accused Products
Abstract
Herein are disclosed an apparatus and method of explicit indication of call from emergency call center. The method includes the steps of forming an emergency signal in relation to the mobile station terminated call; sending the emergency signal to the mobile station on behalf of the emergency call center; and detecting the emergency signal at the mobile station. The apparatus includes emergency signal forming means for forming an emergency signal in relation to the mobile station terminated call; emergency signal sending means for sending said emergency signal to the mobile station on behalf of the emergency call center; and emergency signal detecting means for detecting said emergency signal at the mobile station. A global emergency call information record is disclosed for use in cdma2000 type networks and the like. The apparatus and method may apply to other networks.
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Citations
29 Claims
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1. A method of explicitly indicating that a mobile station terminated call is from an emergency call centre, the method comprising the steps of:
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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 Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification