QoS channels for multimedia services on a general purpose operating system platform using data cards
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United States of America Patent
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Jul 3, 2012
Grant Date -
Jan 21, 2010
app pub date -
Sep 25, 2009
filing date -
Mar 11, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A SIP (session initiation protocol) service activation abstraction layer that provides a unified interface to upper layer applications for discovering, establishing, and managing the QoS connectivity. 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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