Invention Grant
- Patent Title: Method and system for providing ring back tone service by using play announcement message in intelligent network
- Patent Title (中): 在智能网中使用播放声明消息提供回铃音服务的方法和系统
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Application No.: US10582504Application Date: 2004-12-06
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Publication No.: US08238523B2Publication Date: 2012-08-07
- Inventor: Sung Soon Choi
- Applicant: Sung Soon Choi
- Applicant Address: KR Seoul
- Assignee: Realnetworks Asia Pacific Co., Ltd.
- Current Assignee: Realnetworks Asia Pacific Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: McDermott Will & Emery LLP
- Priority: KR10-2003-0089167 20031209
- International Application: PCT/KR2004/003185 WO 20041206
- International Announcement: WO2005/057962 WO 20050623
- Main IPC: H04M3/42
- IPC: H04M3/42 ; H04M1/64

Abstract:
The present invention relates to method and system for providing a ring back tone service by using a play announcement message in an intelligent network. According to the present invention, there is no need for separate apparatus such as a signaling gateway, by removing the interoperation between a service control point and a coloring server. Thus, there is an advantage that additional cost does not occur.
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