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Patent applications and USPTO patent grants for Karjanlahti; Juha.The latest application filed is for "activating packet data protocol context for roaming subscriber".
Patent | Date |
---|---|
IP based voice communication in a mobile communications system Grant 7,792,935 - Karjanlahti September 7, 2 | 2010-09-07 |
Method for activating packet data protocol context for roaming subscriber, network equipment and telecommunication system for utilizing same Grant 7,299,272 - Karjanlahti November 20, 2 | 2007-11-20 |
Activating packet data protocol context for roaming subscriber App 20030208628 - Karjanlahti, Juha | 2003-11-06 |
Ip based voice communication in a mobile communications system App 20030187926 - Karjanlahti, Juha | 2003-10-02 |
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