Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoki Hasegawa0
Date of Patent
July 28, 2009
0Patent Application Number
109506470
Date Filed
September 28, 2004
0Patent Primary Examiner
Patent abstract
A radio communications system that eliminates limitation on usage forms of radio communication and enables users to implement radio communication easily. CUG (Closed User Group) servers of communication carriers are provided to an outside company such as ASP (Application Service Provider), and group information of PTT communication terminal devices for performing radio communication processing among particular PTT communication terminal devices is registered in the CUG servers provided outside so that the PTT communication terminal devices are controlled.
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