H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2690236
A method is provided for indicating an IMS (Internet Protocol Multimedia Subsystem) emergency call back to a user equipment 14 and an access network 15. The method comprises including in a message 30 from a PSAP (Public Safety Answering Point) 22 to the user equipment 14 and the access network 15 an indication 32 that the emergency call back is from the PSAP 22.
La présente invention concerne un procédé pour indiquer un rappel d'urgence d'IMS (sous-système multimédia de protocole internet) à un équipement utilisateur (14) et un réseau d'accès (15). Le procédé comprend l'étape consistant à inclure dans un message (30), à partir d'un PSAP (point de réponse de sécurité publique) (22), à l'équipement utilisateur (14) et au réseau d'accès, une indication (32) signalant que le rappel d'urgence provient du PSAP (22).
Islam M. Khaledul
Purnadi Rene W.
Research In Motion Limited
Ridout & Maybee Llp
LandOfFree
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