A mobile phone (12) includes a first buffer memory (32) for storing a data file, the data file being in a first format and including a plurality of data packets, a converter (34) for converting the file stored in the first buffer memory, from the first format into a second format, the converter (34) being connected as output of the first buffer memory (32), a second buffer memory (36) connected as output of the converter (34) and adapted to store the transformed file in the second format, and a streaming server (18) for streaming data to a remote client equipment (14) according to a predetermined network protocol. The streaming server (18) is adapted to be connected to the remote client equipment (14) via a data link (16) and to receive a data streaming request from the remote client equipment (14). The streaming server (18) includes a controller (44) for controlling the converter (34), the controller (44) being adapted to send the converter (34) a control signal for controlling the conversion of a respective data packet of the file.