电视电话会议
Television and Telephone Conference
Videoconference system
teleconference
电视电话会议系统
Teleconference system
video and teleconference system
video conference system
电视电话联合服务
combined television-telephone service
电视电话通信
videotelephone communication
电视电话系统
television-telephone system
电视电话制
television-telephone system
静止图象电视电话
still picture video-television
3G移动可视电话系统
3G mobile video telephone