发明名称 MULTIPOINT CALL SERVICE HOSTING SYSTEM AND METHOD IN INTERNET MESSENGER
摘要 PURPOSE: A multipoint call service hosting system and method in an Internet messenger is provided to offer a multipoint voice call service for VoIP/PSTN calls on the basis of the group information of an Internet messenger, without restriction for a specific Internet messenger. CONSTITUTION: An Internet messenger server(20), providing an Internet messenger service, sends a multipoint call service request to an intelligent supplemental service system(30) according to a service user's request. The intelligent supplemental service system(30), connected with an IN(Intelligent network), a PSTN, and the Internet, executes No.7 ISUP/TCAP signaling in the IN, provides a voice message transfer function, digit collection function and a voice call function in the PSTN, and offers web-associated services in the Internet. A PINT(PSTN-IN/Internet Interworking) server(40) supports the interworking between the IN/PSTN and the Internet, and provides a VoIP function, interworking with a PSTN-based system. A VoIP gateway(50) supports the voice/data transfer between the Internet and the PSTN. A gate keeper(60), managing network equipments and resources, processes subscriber authentication for the use of the VoIP gateway(50).
申请公布号 KR20030085844(A) 申请公布日期 2003.11.07
申请号 KR20020024128 申请日期 2002.05.02
申请人 KT CORPORATION 发明人 JUNG, HUI GYEONG;KIM, SANG HYEON;KWON, EUN HUI;LEE, JEONG WON;LEE, YUN JEONG;SON, JIN SU
分类号 H04L12/18;(IPC1-7):H04L12/18 主分类号 H04L12/18
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