Virtual proximity service control system
Virtual ring camera
Virtual television phone apparatus
Virtual terminal configuring method and device
Virtual video teleconferencing system
Virtual video teleconferencing system
Visual and sound communication system with remote control means
Visual communication server and communication system
Visual telephone
Visual telephone apparatus
Visual telephone system and method capable of controlling the us
Visual telephone system using mobile communication terminal
Visual telephone unit and visual telephone system therewith
Voice and image data communication apparatus
Voice and video communication apparatus
Voice-following video system