The “What is” page by ClearlyIP is a place to find detailed answers to your questions about all things related to the telecommunications industry. What is Diameter Protocol?What is an IP Multimedia Subsystem (IMS)?What is EMS?What is a Diameter Signaling Controller (DSC)?What is Media Gateway Control Protocol (MGCP)?What is Network Slicing?What is OTT (Over-the-Top Communications)?What is PaaS (Platform as a Service)?What is SaaS (Software as a Service)?What is Rich Communication Services (RCS)?What is a Signaling Gateway?What is a Virtualized Network Function?NavigationPrevious 1 2 3 4 Next