Virtual channels in subscriber interface units

Virtual communication device configuring method and apparatus

Virtual communication device configuring method and apparatus

Virtual conference room

Virtual multimedia service for mass market connectivity

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