视频会议系统的设计方案/解决方案，包括宝利通，SONY，科达，美国远景，华为，泰德等三十余个解决方案和白皮书。-Video conferencing systems design/solutions, including Polycom, SONY, Kodak, the U.S. vision, Huawei, Ted, etc. more than 30 solutions and the White Paper.