Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-12-02
2010-06-01
Tsang, Fan (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S329000, C709S219000, C379S201110
Reexamination Certificate
active
07729342
ABSTRACT:
Privacy preservation for voice over internet protocol calling is disclosed. A request is received to associate with a current or potential call participant a temporary privacy address that is valid for a prescribed period or until the occurrence of a prescribed event or condition. A request is received to process a call using the temporary privacy address. A determination is made as to whether the temporary privacy address is currently valid, and if it is currently valid, the call is processed using the temporary privacy address.
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Nachenberg Carey
Satish Sourabh
Hunton & Williams LLP
King Simon
Symantec Corporation
Tsang Fan
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