Apparatus and method of explicit indication of call from...

Details Apparatus and method of explicit indication of call from... Apparatus and method of explicit indication of call from...

H - Electricity

04

W

H04W 4/22 (2009.01) H04W 4/02 (2009.01)

Patent

CA 2549277

Herein are disclosed an apparatus and method of explicit indication of call from emergency call centre. 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 centre; 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 centre; 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.

L'invention concerne un dispositif et un procédé indiquant explicitement qu'un appel provient d'un centre d'appels d'urgence. Le procédé comporte les étapes consistant à : former un signal d'urgence en relation avec un appel destiné à une station mobile ; envoyer le signal d'urgence à la station mobile au nom du centre d'appels d'urgence ; et détecter le signal d'urgence à la station mobile. Le dispositif comprend des moyens de formation de signal d'urgence permettant de former un signal d'urgence en relation avec l'appel destiné à la station mobile ; des moyens d'envoi de signal d'urgence permettant d'envoyer le signal d'urgence à la station mobile au nom du centre d'appels d'urgence ; et des moyens de détection de signal d'urgence pour détecter le signal d'urgence à la station mobile. L'invention prévoit un fichier mondial de données d'appels d'urgence pouvant être utilisé dans des réseaux du type CDMA2000 et analogue. Le dispositif et le procédé peuvent être mis en oeuvre dans d'autres réseaux.

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