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....http://www.google.ca/patents/US7457281?utm_source=gb-gplus-sharePatent US7457281 - System and method for transmitting voice messages through the internet
