Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-12-30
2008-09-23
Le, Danh (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S432200, C455S445000, C370S338000, C709S238000
Reexamination Certificate
active
07428414
ABSTRACT:
The present invention relates to a network-based method and system to control and enable seamless roaming across various cellular network types. The system provides dynamic mapping, processing and conversion of messages to enable seamless communication across various cellular network types. Use of roaming enabled services in non-Roaming Enabled Networks is achieved by integrating this system with the non-Roaming Enabled Network.
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Kumar Gandarvakottai V.
Roy Goutam Kumar
Le Danh
Megasoft Consultants, Inc.
Weingarten Schurgin, Gagnebin & Lebovici LLP
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