保密电视会议接口设备
secure video conferencing interface equipment
电视会议
video meeting
video conference
VC Video Conference
teleconference
Videoconference
videoconference， videoconferencing
videoconferencing
电视会议系统
video conferencing system
video conference system
video-conference system
电视会议演播室
VS Videoconference Studio
多媒体电视会议
Multimedia video teleconferencing system
高清晰度会议电视
videoconference of high resolution
公用型会议电视系统
PVCS:Publicvideoconferringsystem
会议电视
video conferencing
conference video
video conference
Conference television
conference TV
video meeting
video conference system
conference
Teleconferencing
video-conference
Videoconference system
videoconferencing traffic
Videoconference
videoconferencing
teleconference
会议电视网
Video conferencing network
会议电视系统
Conference TV system
Videoconference system
smart conference video system
Vidcoconference system
Vidcoconfercnce system
VCS:vIdeo conferphone system
会议电视终端
video conference terminal
video conference terminals
可视会议电话
video conference telephone