About: No. 4 Electronic Switching System

Property	Value
dbo:description	telephone switching system (en)
dbo:thumbnail	wiki-commons:Special:FilePath/4ESS_Switch_Emergency..._(EAI)_Display_Page-New.png?width=300
dbo:wikiPageExternalLink	https://www.youtube.com/watch%3Fv=jdT5hd_0p_8 http://www.alcatel-lucent.com/bstj/vol56-1977/bstj-vol56-issue02.html http://www.alcatel-lucent.com/bstj/vol56-1977/bstj-vol56-issue07.html https://telephoneworld.org/landline-telephone-history/the-crash-of-the-att-network-in-1990/ https://telephoneworld.org/telephone-switching-systems/western-electric-lucent-modern-telephone-switching-systems/ https://web.archive.org/web/20120905123349/http:/www.alcatel-lucent.com/bstj/vol56-1977/bstj-vol56-issue07.html https://web.archive.org/web/20120908043052/http:/www.alcatel-lucent.com/bstj/vol56-1977/bstj-vol56-issue02.html
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dbp:wikiPageUsesTemplate	dbt:Telephone_Switches dbt:Cite_journal dbt:More_footnotes dbt:Reflist dbt:Sfn dbt:SfnRef dbt:Short_description
dct:subject	dbc:1976_establishments_in_Illinois dbc:Telephone_exchange_equipment dbc:Telecommunications-related_introductions_in_1976
rdfs:label	No. 4 Electronic Switching System (en)
owl:sameAs	wikidata:No. 4 Electronic Switching System dbpedia-global:No. 4 Electronic Switching System
prov:wasDerivedFrom	wikipedia-en:No._4_Electronic_Switching_System?oldid=1189171700&ns=0
foaf:depiction	wiki-commons:Special:FilePath/4ESS_Switch_Emergency..._Interface_(EAI)_Display_Page-New.png
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