A system for transmitting messages from a caller location to a receiver location using a plurality of computers 11 each coupled to another through a network such as the Internet. The system also has a plurality of access devices 13a-13l, which are coupled to the network through a telecommunication line. These access devices include computers, workstations, and the like. Each access device includes a voice conversion board for converting a voice message from a telephone device 17, 19 into digital data for transmission through the network.