Abstract: A convergence and automation system (CAS) includes an internet-protocol (IP) based network implemented with a web service for devices (WSD) protocol, devices connected to the network, each configured to perform at least one service, a server implemented with the WSD protocol, connected to the network and configured to control the devices to converge and automate the services thereof, and a portable device implemented with the WSD protocol, connected to the network and configured to control the devices and perform the services. The server is implemented with Windows Sideshow to collect information necessary for controlling the devices and provides the collected information to the portable device.