It is important to mention here that the Smart Hospitals have been designed and engineered as communication machines and not installing these communication devices and platforms correctly might result in the other aspects of the technologies to not perform as well. Different communication systems play different roles in each and every one of the devices mentioned thus far, some of these are listed below: Computer Networks (LAN/WAN / WLAN), VOIP , Wireless communication systems and panels , HIS & PACS