Method, a telecommunication system and a network node for sponsoring a communication service | Patent Publication Number 20120106722

US 20120106722 A1
Patent NumberUS 08625758 B2
Application Number13381412
Filled DateJun 30, 2009
Priority DateJun 30, 2009
Publication DateMay 3, 2012
Original AssigneeNokia
Current AssigneeNokia
Inventor/ApplicantsXiangyang Li
Yigang Cai
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