switching centers

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• Switching center — A switching center is a node in a telecommunications Circuit switching network which is connected to either another switching center and/or to end user devices. Switching centers are aware of other centers and possible routes between them such… …   Wikipedia

• Switching Control Center System — The Switching Control Center System was an Operations Support System developed by Bell Laboratories and deployed during the early 1970s. This computer system was first based on the PDP 11 product line from Digital Equipment Corporation and used… …   Wikipedia

• Store-and-forward switching center — In telecommunication, a store and forward switching center is a message switching center in which a message is accepted from the originating user, i.e., sender, when it is offered, held in a physical storage, and forwarded to the destination user …   Wikipedia

• Distributed switching — is an architecture in which multiple processor controlled switching units are distributed. There is often a hierarchy of switching elements, with a centralized host switch and with remote switches located close to concentrations of users.… …   Wikipedia

• Mobile Telephone Switching Office — The Mobile Telephone Switching Office (MTSO) is the mobile equivalent to a PSTN Central Office. The MTSO contains the switching equipment or Mobile Switching Center (MSC) for routing mobile phone calls. It also contains the equipment for… …   Wikipedia

• Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …   Wikipedia

• Channel access method — In telecommunications and computer networks, a channel access method or multiple access method allows several terminals connected to the same multi point transmission medium to transmit over it and to share its capacity. Examples of shared… …   Wikipedia

• Automatic Digital Network — The Automatic Digital Network (AUTODIN) is a legacy data communicationsservice in the United States Department of Defense. AUTODIN originally consisted of numerous AUTODIN Switching Centers (ASCs) located in the United States and in countries… …   Wikipedia

• Ericsson — Infobox Company company name = Telefonaktiebolaget L. M. Ericsson company company type = Public (OMX|SSE101|ERIC B) (nasdaq|ERIC) company slogan = Taking You Forward foundation = Stockholm, Sweden (1876) founder = Lars Magnus Ericsson location =… …   Wikipedia

• EWSD — ( Elektronisches Wählsystem Digital in German, Electronic Digital Switching System/Electronic World Switch Digital [ [http://www.dmine.com/phworld/switch/otherm.htm Telephone World Other Modern Switching Systems of Note ] ] in English) is one of… …   Wikipedia

• 375 Pearl Street — General information Location 375 Pearl Street, New York City Coordinates …   Wikipedia