Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-07-15
2009-10-27
Yao, Kwang B (Department: 2416)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S260000, C709S227000, C709S228000
Reexamination Certificate
active
07609700
ABSTRACT:
Upper layer applications discover, establish and manage the QoS connectivity through a SIP (session initiation protocol) that serves as a unified interface. In one implementation, this is IP Multimedia Subsystem-centric, further supporting applications that utilize SIP for session control. This capability extends to the data card universe allowing UMTS data card vendors to establish concurrent QoS-based sessions using multiple primary PDP (packet data protocol) contexts based on a set of SIP triggers, further allowing applications running on a computing system to transparently utilize the established pipes based on the individual QoS requirements.
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Hjort Don
Ying Wen-Ping
AT&T Mobility II LLC
Elpenord Candal
Yao Kwang B
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