Multiplex communications – Special services
Reexamination Certificate
2005-07-08
2011-11-15
Kincaid, Lester (Department: 2617)
Multiplex communications
Special services
C455S414100
Reexamination Certificate
active
08059564
ABSTRACT:
Disclosed is a method and a system for setup of a multimedia codec and a voice codec between a mobile phone system and a terminal, in providing a multimedia RBT service capable of operating a multimedia codec allowing high quality music playback during an RBT interval and operating a voice codec such as an Enhanced Variable Rate Codec (Hereinafter, referred to as EVRC) during voice communication when an originating terminal supports the multimedia codec capable of improving the music quality in addition to a dedicated voice codec such as the EVRC.
REFERENCES:
patent: 2004/0120494 (2004-06-01), Jiang et al.
patent: 2006/0264225 (2006-11-01), No et al.
patent: 6-296202 (1994-10-01), None
patent: 2001-7924 (2001-01-01), None
patent: 2001-077947 (2001-03-01), None
patent: 2003-274016 (2003-09-01), None
Chung Wonsuk
Hahm Heehyeok
Kim Seong-keun
Lee Donghahk
Lee Myungsung
Baker & Hostetler LLP
Kincaid Lester
SK Telecom Co. Ltd.
Woo Kuo
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