Push notification service

Details Push notification service Push notification service

2009-06-05

2011-11-22

Cai, Wayne (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S435100, C455S435200, C455S421000, C455S436000, C370S312000, C370S313000, C370S349000, C370S389000, C370S432000

Reexamination Certificate

active

08064896

ABSTRACT:
Gateway devices maintain presence information for various mobile devices. Each gateway is associated with a zone and manages presence information only for mobile devices associated with that zone. Courier devices back-propagate presence information for the mobile devices to respective gateways based at least on the respective zone associated with each mobile device. The gateways and couriers are dynamically configured such that messages can be pushed from a provider application to a mobile device via any gateway and any courier.

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Pospischil, Gunther, et al., “A Location-based Push Architecture Using SIP”, XP-002235856, International Symposium Wireless Personal Multimedia Communications, Sep. 9, 2001, pp. 295-300.
Tosi, Davide, “An Advanced Architecture of Push Services”, Web Information Systems Engineering Workshops, 2003, Proceedings of the Fourth International Conference on Web Information Systems Engineering Workshops (WISEW'03), Rome, Italy, on Dec. 13, 2003, IEEE LNKD- DO1:10.1109/WISEW.2003.1286802, XP010697505, Jan. 1, 2003, pp. 193-200.

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