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bn:03889566n
Noun Named Entity
Categories: General Electric Company plc, Telecommunications in the United Kingdom, Telecommunications-related introductions in 1980, BT Group, Telephone exchange equipment
EN
System X
EN
System X is the digital switching system installed in telephone exchanges throughout the United Kingdom, from 1980 onwards. Wikipedia
English:
telephony
Definitions
Relations
Sources
EN
System X is the digital switching system installed in telephone exchanges throughout the United Kingdom, from 1980 onwards. Wikipedia
Digital switching platform Wikipedia Disambiguation
Type of telephone exchange in UK Wikidata
IS A
central
Wikipedia
EN
System X (telephony)
Wikidata
EN
System X

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