| 摘要 |
Video-on-demand system (1) of the type comprising a plurality of local user-units (2) in communication with a central distribution unit (3) apt to transmit to each local user-unit (2) a video selected by the latter unit from a menu stored at local level, wherein each local user-unit (2) comprises local means (25) for updating the menu, apt to process a menu-verification request for the central distribution unit (3). |
