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The method for reducing entire power consumption of the cpu installed in operation server
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United building management system
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The feeder sharing device minimizing intermodulation signal
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The call setup control method for reliability of the calling line identification presentation
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Sip camera phone
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Method for extention of lmp for network survivability in a ovpn over dwdm
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Method for control mechanism extensions providing a compatible codec negotiation in sip based video voip service
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System for processing broadcasting-signal using the satellite digital broadcasting media gateway and broadcast-receiving apparatus
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Imps system of ip-pbx
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Linkage and db management system of ip pbx
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Ip media gateway for digital and ip broadcast
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Cug/vpn-based mobile voip service system in fmc(fixed-mobile convergence) enterprise networks
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Entrance and exit management system using ip pbx
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