INTERNATIONAL MOBILE COMMUNICATION ROAMING SERVICING SYSTEM OVER THE INTERNET PROTOCOL
摘要
The present invention is related to communication systems. More particularly, the invention relates to an Internet phone system for providing telephone service over the Internet Protocol.
申请公布号
WO0225985(A1)
申请公布日期
2002.03.28
申请号
WO2001KR01032
申请日期
2001.06.16
申请人
GREAT HUMAN SOFTWARE CO., LTD.;LEE, YOUNG-SANG;LEE, JONG-WOO;PARK, HYE-WON
