A method for transferring a multimedia file from a user's mobile device to user equipment associated with another user is disclosed. The method includes sending an invitation from the user's mobile device to the user equipment to request a transfer of the multimedia file. The method also includes setting up a bearer data channel between the user's mobile device and the equipment to facilitate the transferring of the multimedia file, the transferring is configured to be accomplished using Message Sessions Relay Protocol (MRSP) or Real-Time Transfer Protocol (RTP). The method further includes transferring the multimedia file using the MSRP or RTP and the bearer data channel.