Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2003-11-25
2009-06-02
Baron, Henry (Department: 2416)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C370S230000, C370S310000, C370S395210
Reexamination Certificate
active
07542481
ABSTRACT:
A mechanism for optimizing an establishment of a communication connection between a mobile node and a correspondent node in a packet based communication network using, for example, IP is proposed. After starting an application level communication connection setup, for example SIP based, between the mobile node and the correspondent node via a communication subsystem infrastructure, for example the IM subsystem infrastructure, a trigger signal comprising the address of the correspondent node is transmitted from the SIP layer to the IP layer in the mobile node via an interface. In response to the trigger signal, an IP level route optimization procedure is performed while the application level communication connection setup proceeds.
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Faccin Stefano M.
Patil Basavaraj
Baron Henry
Nokia Corporation
Squire Sanders & Dempsey LLP
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