Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate
2007-09-18
2007-09-18
Nguyen, Duc M. (Department: 2617)
Telecommunications
Radiotelephone system
Usage measurement
C455S405000
Reexamination Certificate
active
10133232
ABSTRACT:
Improved billing accuracy in session-based communications is provided by separating session (or connection) billing from session processing. If two sessions (440, 442) on the same serving node are bridged, so the true stop time of the prior session (440) is not known, the stop time of the prior session is defined as a function of the last activity during (TALS1) that session. To accomplish this, the serving node detects and stores the time of last activity and the time of initiation for each connection and determines the billing time accordingly, regardless of the state of the inactivity timer (430) or whether sessions were bridged by the serving node.
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Belenets Daniel T.
Brankley Russel
Chang Patricia R.
Hu Peter
King William C.
Cai Wayne
Cellco Partnership
McDermott Will & Emery LLP
Nguyen Duc M.
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