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发明名称
SYSTEM AND METHOD FOR VIDEOTELEPHONY CALL INTERWORKING IN DIFFERENT NETWORK
摘要
申请公布号
KR20060034944(A)
申请公布日期
2006.04.26
申请号
KR20040083993
申请日期
2004.10.20
申请人
SK TELECOM CO., LTD.
发明人
LEE, HYAE KYEUNG;CHO, HYUNG JOON;HAHM, HEE HYEOK;LEE, SANG YUN
分类号
H04L12/66;H04W40/34
主分类号
H04L12/66
代理机构
代理人
主权项
地址
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