A convergence and automation system includes (a) an internet-protocol based network, (b) hardware implemented with a web service for devices (WSD) protocol, wherein the hardware includes a plurality of devices connected to the network, each device being configured to perform at least one service, and a server connected to network and configured to control the devices for converging and automating the services thereof; and (c) software implemented with the WSD protocol and configured to establish communication among the sever and the devices and perform a logging function to record events and errors taking places in the convergence and automation system.