A file transfer application for GPRS network

A TCP/IP based file transfer application optimized for speed and reliability for transmission over Internet using a GPRS network.  Primarily the communication is between a Central server and a handheld device that acts as a client.  The handheld originates requests for service to the Central Server.  The Central Server is configured to be avail 24/7 and receive requests from many concurrent users. The handheld device transfers the recorded audio files to the server for transcription.