Information security – Access control or authentication – Network
Reexamination Certificate
2006-02-27
2011-10-11
Truong, Thanhnga (Department: 2438)
Information security
Access control or authentication
Network
C370S352000, C370S353000, C370S354000, C370S355000, C370S356000, C709S227000, C709S228000
Reexamination Certificate
active
08037516
ABSTRACT:
Setup of a Voice over Internet Protocol (VoIP) call is initiated and an authentication token is received for the VoIP call that is set up, that indicates that the VoIP call is authorized. The authentication token is inserted into packets for the VoIP call. The packets, including the authentication token therein, are transmitted into an IP network. The authentication token may be placed in an IP version 6 (IPv6) flowID field.
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patent: 7266121 (2007-09-01), Raisanen
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patent: 2002/0071426 (2002-06-01), Karamchedu et al.
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patent: 2007/0201447 (2007-08-01), Wright
patent: 2009/0199286 (2009-08-01), Singhal
AT&T Intellectual Property I L.P.
Holmes Angela
Myers Bigel & Sibley & Sajovec
Truong Thanhnga
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