Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate
2005-07-08
2008-10-28
Le, Danh C (Department: 2617)
Telecommunications
Radiotelephone system
Message storage or retrieval
C455S418000, C455S550100, C709S206000, C709S237000
Reexamination Certificate
active
07444135
ABSTRACT:
A contact is determined to be unavailable if a predetermined period of time has elapsed since an instant message was sent to the contact and an expected notification for the instant message was not received during that predetermined period of time by the device that sent the instant message. If the expected notification is a delivered notification, then the contact is deemed unreachable. If the expected notification is a read notification and a delivered notification for the instant message has been received by the device that sent the instant message, then the contact is deemed busy.
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Day, M. , et al., “Instant Messaging / Presence Protocol Requirements”, (Feb. 2000).
Vogiazou, Yanna , “Wireless Presence and Instant Messaging”, (Nov. 2002).
Wireless Village, “Presence Attributes Version 1.1”, WV Internal Tracking No. WV-029,(2002).
Integral Intellectual Property Inc.
Le Danh C
Paton Miriam
Research In Motion Limited
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