Abstract: A client-server network for managing internet protocol voice data packets includes a client terminal, for receiving internet protocol voice data packets; a graphical display, for conveying information to a client terminal user; a client terminal controller, for controlling the client terminal; a terminal proxy server, responsive to the internet protocol voice data packets, for sending synchronized signals to the client terminal and the client terminal controller to notify a client terminal user of the voice data packets, the client terminal controller, in response to the synchronized signal, adapted to retrieve information about the incoming caller and convey the information to the client terminal user on the graphical display; and a graphical user interface, displayed on the graphical display, for receiving instructions from the client terminal user, the client terminal controller, in response to instructions received from the user through the graphical user interface, adapted to perform at least one data ma