Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring
Reexamination Certificate
2003-05-14
2008-11-04
Dinh, Khanh (Department: 2151)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network monitoring
C709S227000, C370S238000, C455S445000
Reexamination Certificate
active
07447765
ABSTRACT:
A method and apparatus method of filtering packet data for an anonymous user device in a packet data network communication system includes a first step of defining a special context information element containing special context information. A next step includes sending the special context information element in an activate packet data protocol (PDP) context request to a network to initiate a call from an anonymous user device. A next step includes receiving the activate PDP context request and the special context information element. A next step includes configuring the data packets so that only the special context is allowed. A next step includes assigning an interim identity and interim IP address to the user device. A next step includes mapping the data packets of the configuring step to the interim IP address of the user device. A next step includes defining permissible routing identities per the special context. A next step includes routing the data packets between only those permissible routing identities from the defining step.
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Aerrabotu Naveen
Pecen Mark E.
Willis Lawrence A.
Zhao Yilin
Crilly Daniel C.
Dinh Khanh
Motorola Inc.
Vaas Randall S.
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