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发明名称
METHOD AND APPARATUS FOR PROVIDING ALTERNATIVE RING BACK TONE CORRESPONDING TO RECEIVED TERMINAL'S STATE IN PRIVATE EXCHANGE
摘要
申请公布号
KR20060023448(A)
申请公布日期
2006.03.14
申请号
KR20040072297
申请日期
2004.09.09
申请人
DIGITALWAVE, INC.
发明人
LEE, YUN KYUNG;KWON, KI HYUK;SUNG, DAE KYUNG
分类号
H04W4/16
主分类号
H04W4/16
代理机构
代理人
主权项
地址
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