Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate
2000-10-11
2008-08-12
Eng, George (Department: 2617)
Telecommunications
Radiotelephone system
Message storage or retrieval
C455S432100, C709S207000
Reexamination Certificate
active
07412231
ABSTRACT:
The key to enabling cellular instant messaging is to identify that the cellular customer has turned their phone on or has turned their phone off in order to add/delete their name from the instant message buddy/friend list. To accomplish this without readily accessible network triggers or prior to deploying cellular packet data service is a challenge. To meet this challenge the present invention utilizes telemetry messages that indicate when a cellular phone is available on a cellular network. Thereafter, relevant cellular phones on a buddy list stored in an instant messaging database are notified of a cellular phone's availability.
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Cellco Partnership
Eng George
Gates & Cooper LLP
Iqbal Khawar
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