发明名称 METHOD AND APPARATUS FOR TRANSMITTING MULTIMEDIA INFORMATION
摘要 A method and an apparatus for transmitting multimedia information are provided to convert the format of information received from plural terminals supporting different information formats or encoding methods, thereby effectively transceiving information between the plural terminals. A PBX(Private Branch Exchange)(110) converts and switches a first format of multimedia information into a second format of multimedia information. The Internet(120) is a type of an IP(Internet Protocol) network operating on the basis of an IP. A PC(Personal Computer) soft phone(130) is installed to a PC as a PC software program to provide a wired video call service. An IP video phone(140) provides the wired video call service by using a VoIP(Voice over Internet Protocol) protocol. An AP(Access Point)(150) helps a wireless IP terminal(160) to access the Internet by using a wireless signal. The wireless IP terminal provides a wireless video call service. A PSTN(Public Switched Telephone Network)(170) provides a normal public phone service. A PSTN video phone(180) provides a video call service through the PSTN.
申请公布号 KR20080041789(A) 申请公布日期 2008.05.14
申请号 KR20060109816 申请日期 2006.11.08
申请人 LG-NORTEL CO., LTD. 发明人 KIM, SUNG HEE
分类号 H04Q3/58;H04M3/00;H04Q3/00 主分类号 H04Q3/58
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