message-switching system

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• Message switching — In telecommunications, message switching was the precursor of packet switching, where messages were routed in their entirety, one hop at a time. It was first introduced by Leonard Kleinrock in 1961. Message switching systems are nowadays mostly… …   Wikipedia

• message switching —    A routing method that uses store and forward techniques. Each message contains a destination address and is passed from source to destination through a series of intermediate nodes.    At each intermediate node, the message is stored briefly,… …   Dictionary of networking

• Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …   Wikipedia

• Message-waiting indicator — A message waiting indicator (MWI) in telephony, is a Telcordia Technologies (formerly Bellcore) term for an FSK based telephone calling feature that illuminates an LED on select telephones to notify a telephone user of waiting voicemail messages… …   Wikipedia

• Message Sequence Chart — Example of a simple UML message sequence chart. A Message Sequence Chart (or MSC) is an interaction diagram from the SDL family very similar to UML s sequence diagram, standardized by the International Telecommunication Union. The main area of… …   Wikipedia

• Packet switching — is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably sized blocks, called packets. Packet switching features delivery of variable bit rate data streams… …   Wikipedia

• circuit switching —    A communications switching system that completes a circuit from sender to receiver at the time the call for message transmission is initiated. Used when there is a requirement for instantaneous, direct two way communications between terminal… …   IT glossary of terms, acronyms and abbreviations

• Network switching subsystem — (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and… …   Wikipedia

• Business 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 …   Wikipedia

• Signalling System No. 7 — 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 …   Wikipedia

• Signaling System 7 — Signalisierung Unter Signalisierung versteht man in der Telekommunikation die Übertragung von Steuerinformationen. Einfache Signalisierungsinformation sind zum Beispiel klingeln oder Teilnehmer besetzt. Weiter gibt es Signalisierungsinformationen …   Deutsch Wikipedia