Abstract: A server for disseminating a video file to mobile subscriber over a mobile communications network is disclosed. The server comprises a processor programmed for storing a record for each mobile subscriber, defining a criteria for selecting mobile subscribers for videos, wherein said criteria is based on data from a record for a mobile subscriber, selecting a group of mobile subscribers by identifying the records that match said criteria, generating, for each mobile subscriber of the group, a video message in a format that corresponds to the operating system indicator and the video format indicator for said mobile subscriber, and transmitting a video message to the mobile phone number in the record, wherein the video message is transmitted according to the method of access indicator for said mobile subscriber.