AddPac smart desktop meeting solution consists of AP-SMS100 smart desktop meeting software and smart meeting server such as MCU, call manager etc. AP-SMS100 provides full desktop meeting software solution by using Smart Meeting Scheduler, Smart Meeting Messenger, Smart Meeting Previewer, and Smart Meeting Place software components. AP-SMS100 is new desktop video conference software where Internet audio/video communications are combined with smart meeting servers (IP-PBX, MCU, Chatting Server, RTP Proxy Server, etc). This product provides advanced features and services such as video codecs (e.g. H.263, MPEG-4, and H.264), QoS, SIP VoIP signaling protocol, intelligent smart messenger, SSCP (smart service control protocol: AddPac Proprietary Protocol) for IP-PBX interworking, Video MCU interworking service for video conference. AP-SMS100 is high-performance desktop video conference software where the state-of-the-art video processing technology is added to the voice processing technologies developed by AddPac in the VoIP field. Since AP-SMS100 supports networks of 64 Kbps to several Mbps, it is available at any Internet-enabled place. Above all, AP-SMS100 ensures the best video quality due to the ‘rate control’ function that ensures the best video quality and frame rate at a limited bandwidth and the high-end error resilience technology for troubleshooting various packet failures on the Internet.