ICT Infrastructure

A critical part of modern communications and commerce infrastructure, packet communications is used in everything from Web browsing to Voice over Internet Protocol (VoIP) as is the case with voice over 4G cellular networks with what is known as Voice over LTE (VoLTE). A form of packet switching is also used in communications networks for call-set up in legacy telecom networks via the Signaling System number Seven (SS7) protocol as well as in next generation network infrastructure such as IP Multimedia Subsystem (IMS) in the form of Session Initiation Protocol (SIP).