signaling equipment
101Mobile Application Part — SS7 protocol suite OSI layer SS7 protocols Application INAP, MAP, IS 41... TCAP, CAP, ISUP, ... Network MTP Level 3 + SCCP Data link MTP Level 2 …
1021ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
103Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
104Communications-based train control — CBTC deployment in Metro de Madrid, Spain …
105Smart grid — Public infrastructure …
106Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
107Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
108Metro-North Railroad — This article is about the rail service in New York. For the planned Metro North rail line in Dublin, see Dublin Metro. Metro North Railroad Metro …
109Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
110Mobile radio telephone — systems preceded modern cellular mobile telephony technology. Since they were the predecessors of the first generation of cellular telephones, these systems are sometimes retroactively referred to as pre cellular (or sometimes zero generation)… …
