InterDigital Inc (IDCC)

[Gamco]

United States Patent 7,574,595
Pragada , et al. August 11, 2009

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Transparent session initiated protocol


Abstract
Method and apparatus employing transparent session initiation protocol (SIP) technique for communication especially between a user device in one domain and an application/service provide in an external domain. The transparent SIP technique is usable in wired or wireless systems such as 3G systems and wireless local area networks (WLANs).


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Inventors: Pragada; Ravikumar (Collegeville, PA), Thommana; John (Austin, TX)
Assignee: InterDigital Technology Corporation (Wilmington, DE)

Appl. No.: 10/900,941
Filed: July 28, 2004

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Related U.S. Patent Documents

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Application Number Filing Date Patent Number Issue Date
60582035 Jun., 2004


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Current U.S. Class: 713/153 ; 709/229; 726/12
Current International Class: G06F 21/00 (20060101); H04L 29/06 (20060101)
Field of Search: 726/12 713/153 370/341,335,338 709/227,229